39976464 has 60 divisors (see below), whose sum is σ = 113530928. Its totient is φ = 12112320.

The previous prime is 39976457. The next prime is 39976477. The reversal of 39976464 is 46467993.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2367 + ... + 9249.

Almost surely, 2^39976464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39976464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56765464).

39976464 is an abundant number, since it is smaller than the sum of its proper divisors (73554464).

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

39976464 is a wasteful number, since it uses less digits than its factorization.

39976464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6916 (or 6899 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The square root of 39976464 is about 6322.6943623743. The cubic root of 39976464 is about 341.9280995186.

It can be divided in two parts, 39 and 976464, that added together give a triangular number (976503 = T₁₃₉₇).

The spelling of 39976464 in words is "thirty-nine million, nine hundred seventy-six thousand, four hundred sixty-four".