305038470 has 32 divisors (see below), whose sum is σ = 798647040. Its totient is φ = 73948640.

The previous prime is 305038469. The next prime is 305038499. The reversal of 305038470 is 74830503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461850 + ... + 462509.

It is an arithmetic number, because the mean of its divisors is an integer number (24957720).

Almost surely, 2^305038470 is an apocalyptic number.

305038470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305038470 is an abundant number, since it is smaller than the sum of its proper divisors (493608570).

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

305038470 is a wasteful number, since it uses less digits than its factorization.

305038470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924380.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 305038470 is about 17465.3505547412. The cubic root of 305038470 is about 673.1598494883.

Adding to 305038470 its reverse (74830503), we get a palindrome (379868973).

The spelling of 305038470 in words is "three hundred five million, thirty-eight thousand, four hundred seventy".