39887012 has 12 divisors (see below), whose sum is σ = 76148016. Its totient is φ = 18130440.

The previous prime is 39886993. The next prime is 39887027. The reversal of 39887012 is 21078893.

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, 453218 + ... + 453305.

It is an arithmetic number, because the mean of its divisors is an integer number (6345668).

Almost surely, 2^39887012 is an apocalyptic number.

It is an amenable number.

39887012 is a deficient number, since it is larger than the sum of its proper divisors (36261004).

39887012 is a wasteful number, since it uses less digits than its factorization.

39887012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906538 (or 906536 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 39887012 is about 6315.6165178073. The cubic root of 39887012 is about 341.6728743931.

The spelling of 39887012 in words is "thirty-nine million, eight hundred eighty-seven thousand, twelve".