39990112 has 12 divisors (see below), whose sum is σ = 78730596. Its totient is φ = 19995040.

The previous prime is 39990109. The next prime is 39990113. The reversal of 39990112 is 21109993.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39990113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624814 + ... + 624877.

It is an arithmetic number, because the mean of its divisors is an integer number (6560883).

Almost surely, 2^39990112 is an apocalyptic number.

39990112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39990112 is a deficient number, since it is larger than the sum of its proper divisors (38740484).

39990112 is a wasteful number, since it uses less digits than its factorization.

39990112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249701 (or 1249693 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 39990112 is about 6323.7735569832. The cubic root of 39990112 is about 341.9670066094.

The spelling of 39990112 in words is "thirty-nine million, nine hundred ninety thousand, one hundred twelve".