39986674 has 16 divisors (see below), whose sum is σ = 73821888. Its totient is φ = 15818832.

The previous prime is 39986651. The next prime is 39986693. The reversal of 39986674 is 47668993.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109672 + ... + 110035.

It is an arithmetic number, because the mean of its divisors is an integer number (4613868).

Almost surely, 2^39986674 is an apocalyptic number.

39986674 is a deficient number, since it is larger than the sum of its proper divisors (33835214).

39986674 is a wasteful number, since it uses less digits than its factorization.

39986674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219729.

The product of its digits is 1959552, while the sum is 52.

The square root of 39986674 is about 6323.5017197752. The cubic root of 39986674 is about 341.9572065513.

The spelling of 39986674 in words is "thirty-nine million, nine hundred eighty-six thousand, six hundred seventy-four".