39890168 has 16 divisors (see below), whose sum is σ = 74861280. Its totient is φ = 19927168.

The previous prime is 39890141. The next prime is 39890203. The reversal of 39890168 is 86109893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15296 + ... + 17712.

It is an arithmetic number, because the mean of its divisors is an integer number (4678830).

Almost surely, 2^39890168 is an apocalyptic number.

It is an amenable number.

39890168 is a deficient number, since it is larger than the sum of its proper divisors (34971112).

39890168 is a wasteful number, since it uses less digits than its factorization.

39890168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486 (or 4482 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 39890168 is about 6315.8663697073. The cubic root of 39890168 is about 341.6818856067.

The spelling of 39890168 in words is "thirty-nine million, eight hundred ninety thousand, one hundred sixty-eight".