306326432 has 24 divisors (see below), whose sum is σ = 614462436. Its totient is φ = 150272512.

The previous prime is 306326431. The next prime is 306326437. The reversal of 306326432 is 234623603.

It can be written as a sum of positive squares in 2 ways, for example, as 251032336 + 55294096 = 15844^2 + 7436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 306326395 and 306326404.

It is not an unprimeable number, because it can be changed into a prime (306326431) 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, 88613 + ... + 92004.

Almost surely, 2^306326432 is an apocalyptic number.

306326432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

306326432 is an abundant number, since it is smaller than the sum of its proper divisors (308136004).

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

306326432 is a wasteful number, since it uses less digits than its factorization.

306326432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180680 (or 180672 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 306326432 is about 17502.1836351925. The cubic root of 306326432 is about 674.1059453600.

The spelling of 306326432 in words is "three hundred six million, three hundred twenty-six thousand, four hundred thirty-two".