39989116 has 12 divisors (see below), whose sum is σ = 70411432. Its totient is φ = 19871568.

The previous prime is 39989113. The next prime is 39989141. The reversal of 39989116 is 61198993.

It is a super-2 number, since 2×39989116² = 3198258796922912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39989113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30015 + ... + 31318.

Almost surely, 2^39989116 is an apocalyptic number.

It is an amenable number.

39989116 is a deficient number, since it is larger than the sum of its proper divisors (30422316).

39989116 is a wasteful number, since it uses less digits than its factorization.

39989116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61500 (or 61498 counting only the distinct ones).

The product of its digits is 104976, while the sum is 46.

The square root of 39989116 is about 6323.6948060450. The cubic root of 39989116 is about 341.9641675578.

The spelling of 39989116 in words is "thirty-nine million, nine hundred eighty-nine thousand, one hundred sixteen".