305668132 has 24 divisors (see below), whose sum is σ = 666912960. Its totient is φ = 119091360.

The previous prime is 305668127. The next prime is 305668157. The reversal of 305668132 is 231866503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495907 + ... + 496522.

It is an arithmetic number, because the mean of its divisors is an integer number (27788040).

Almost surely, 2^305668132 is an apocalyptic number.

It is an amenable number.

305668132 is an abundant number, since it is smaller than the sum of its proper divisors (361244828).

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

305668132 is a wasteful number, since it uses less digits than its factorization.

305668132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992451 (or 992449 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 305668132 is about 17483.3672958043. The cubic root of 305668132 is about 673.6227111773.

The spelling of 305668132 in words is "three hundred five million, six hundred sixty-eight thousand, one hundred thirty-two".