39961164 has 24 divisors (see below), whose sum is σ = 93405760. Its totient is φ = 13297104.

The previous prime is 39961153. The next prime is 39961171. The reversal of 39961164 is 46116993.

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, 5127 + ... + 10305.

Almost surely, 2^39961164 is an apocalyptic number.

It is an amenable number.

39961164 is an abundant number, since it is smaller than the sum of its proper divisors (53444596).

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

39961164 is a wasteful number, since it uses less digits than its factorization.

39961164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829 (or 5827 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 39961164 is about 6321.4843193668. The cubic root of 39961164 is about 341.8844724528.

The spelling of 39961164 in words is "thirty-nine million, nine hundred sixty-one thousand, one hundred sixty-four".