39328880 has 20 divisors (see below), whose sum is σ = 91439832. Its totient is φ = 15731520.

The previous prime is 39328867. The next prime is 39328889. The reversal of 39328880 is 8882393.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39328889) 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, 245726 + ... + 245885.

Almost surely, 2^39328880 is an apocalyptic number.

It is an amenable number.

39328880 is an abundant number, since it is smaller than the sum of its proper divisors (52110952).

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

39328880 is a wasteful number, since it uses less digits than its factorization.

39328880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491624 (or 491618 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 39328880 is about 6271.2741926980. The cubic root of 39328880 is about 340.0717265053.

The spelling of 39328880 in words is "thirty-nine million, three hundred twenty-eight thousand, eight hundred eighty".