328635264 has 32 divisors (see below), whose sum is σ = 872938440. Its totient is φ = 109544960.

The previous prime is 328635227. The next prime is 328635271. The reversal of 328635264 is 462536823.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×328635264² = 216002273488699392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427527 + ... + 428294.

Almost surely, 2^328635264 is an apocalyptic number.

It is an amenable number.

328635264 is an abundant number, since it is smaller than the sum of its proper divisors (544303176).

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

328635264 is an equidigital number, since it uses as much as digits as its factorization.

328635264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855838 (or 855826 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 328635264 is about 18128.3000857775. The cubic root of 328635264 is about 690.0883902729.

The spelling of 328635264 in words is "three hundred twenty-eight million, six hundred thirty-five thousand, two hundred sixty-four".