39952986 has 32 divisors (see below), whose sum is σ = 83558400. Its totient is φ = 12720240.

The previous prime is 39952967. The next prime is 39953021. The reversal of 39952986 is 68925993.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13335 + ... + 16053.

It is an arithmetic number, because the mean of its divisors is an integer number (2611200).

Almost surely, 2^39952986 is an apocalyptic number.

39952986 is an abundant number, since it is smaller than the sum of its proper divisors (43605414).

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

39952986 is a wasteful number, since it uses less digits than its factorization.

39952986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834.

The product of its digits is 1049760, while the sum is 51.

The square root of 39952986 is about 6320.8374445164. The cubic root of 39952986 is about 341.8611487915.

The spelling of 39952986 in words is "thirty-nine million, nine hundred fifty-two thousand, nine hundred eighty-six".