39946976 has 24 divisors (see below), whose sum is σ = 80773560. Its totient is φ = 19433088.

The previous prime is 39946967. The next prime is 39946981. The reversal of 39946976 is 67964993.

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, 15686 + ... + 18053.

It is an arithmetic number, because the mean of its divisors is an integer number (3365565).

Almost surely, 2^39946976 is an apocalyptic number.

It is an amenable number.

39946976 is an abundant number, since it is smaller than the sum of its proper divisors (40826584).

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

39946976 is a wasteful number, since it uses less digits than its factorization.

39946976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33786 (or 33778 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 53.

The square root of 39946976 is about 6320.3620149482. The cubic root of 39946976 is about 341.8440062385.

The spelling of 39946976 in words is "thirty-nine million, nine hundred forty-six thousand, nine hundred seventy-six".