304978432 has 40 divisors (see below), whose sum is σ = 664769952. Its totient is φ = 138624000.

The previous prime is 304978423. The next prime is 304978433. The reversal of 304978432 is 234879403.

It is not an unprimeable number, because it can be changed into a prime (304978433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21444 + ... + 32707.

Almost surely, 2^304978432 is an apocalyptic number.

304978432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

304978432 is an abundant number, since it is smaller than the sum of its proper divisors (359791520).

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

304978432 is an equidigital number, since it uses as much as digits as its factorization.

304978432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54180 (or 54164 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 304978432 is about 17463.6316956125. The cubic root of 304978432 is about 673.1156825752.

The spelling of 304978432 in words is "three hundred four million, nine hundred seventy-eight thousand, four hundred thirty-two".