305235424 has 48 divisors (see below), whose sum is σ = 668062080. Its totient is φ = 136327680.

The previous prime is 305235421. The next prime is 305235449. The reversal of 305235424 is 424532503.

It is a junction number, because it is equal to n+sod(n) for n = 305235392 and 305235401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305235421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1062 + ... + 24730.

It is an arithmetic number, because the mean of its divisors is an integer number (13917960).

Almost surely, 2^305235424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305235424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334031040).

305235424 is an abundant number, since it is smaller than the sum of its proper divisors (362826656).

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

305235424 is a wasteful number, since it uses less digits than its factorization.

305235424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23723 (or 23715 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 305235424 is about 17470.9880659338. The cubic root of 305235424 is about 673.3046978858.

Adding to 305235424 its reverse (424532503), we get a palindrome (729767927).

The spelling of 305235424 in words is "three hundred five million, two hundred thirty-five thousand, four hundred twenty-four".