305425296 has 120 divisors (see below), whose sum is σ = 963792480. Its totient is φ = 92537280.

The previous prime is 305425291. The next prime is 305425301. The reversal of 305425296 is 692524503.

It is an interprime number because it is at equal distance from previous prime (305425291) and next prime (305425301).

It is a super-2 number, since 2×305425296² = 186569222873375232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 305425296.

It is not an unprimeable number, because it can be changed into a prime (305425291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49351 + ... + 55193.

It is an arithmetic number, because the mean of its divisors is an integer number (8031604).

Almost surely, 2^305425296 is an apocalyptic number.

305425296 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305425296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481896240).

305425296 is an abundant number, since it is smaller than the sum of its proper divisors (658367184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305425296 is a wasteful number, since it uses less digits than its factorization.

305425296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882 (or 5859 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 305425296 is about 17476.4211439299. The cubic root of 305425296 is about 673.4442789006. Note that the first 3 decimals are identical.

Adding to 305425296 its reverse (692524503), we get a palindrome (997949799).

The spelling of 305425296 in words is "three hundred five million, four hundred twenty-five thousand, two hundred ninety-six".