39928464 has 50 divisors (see below), whose sum is σ = 115568310. Its totient is φ = 13309056.

The previous prime is 39928459. The next prime is 39928489. The reversal of 39928464 is 46482993.

It can be written as a sum of positive squares in only one way, i.e., 38340864 + 1587600 = 6192^2 + 1260^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14109 + ... + 16700.

Almost surely, 2^39928464 is an apocalyptic number.

It is an amenable number.

39928464 is an abundant number, since it is smaller than the sum of its proper divisors (75639846).

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

39928464 is a wasteful number, since it uses less digits than its factorization.

39928464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30829 (or 30814 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 39928464 is about 6318.8973721687. The cubic root of 39928464 is about 341.7911929457.

The spelling of 39928464 in words is "thirty-nine million, nine hundred twenty-eight thousand, four hundred sixty-four".