330438864 has 40 divisors (see below), whose sum is σ = 975582400. Its totient is φ = 94411008.

The previous prime is 330438863. The next prime is 330438869. The reversal of 330438864 is 468834033.

It is a super-2 number, since 2×330438864² = 218379685683220992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330438863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491389 + ... + 492060.

It is an arithmetic number, because the mean of its divisors is an integer number (24389560).

Almost surely, 2^330438864 is an apocalyptic number.

It is an amenable number.

330438864 is an abundant number, since it is smaller than the sum of its proper divisors (645143536).

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

330438864 is a wasteful number, since it uses less digits than its factorization.

330438864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983467 (or 983461 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 330438864 is about 18177.9774452495. The cubic root of 330438864 is about 691.3485242708.

The spelling of 330438864 in words is "three hundred thirty million, four hundred thirty-eight thousand, eight hundred sixty-four".