39481688 has 16 divisors (see below), whose sum is σ = 75834360. Its totient is φ = 19259200.

The previous prime is 39481681. The next prime is 39481709. The reversal of 39481688 is 88618493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39481681) 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, 59858 + ... + 60513.

Almost surely, 2^39481688 is an apocalyptic number.

It is an amenable number.

39481688 is a deficient number, since it is larger than the sum of its proper divisors (36352672).

39481688 is a wasteful number, since it uses less digits than its factorization.

39481688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120418 (or 120414 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 39481688 is about 6283.4455516062. The cubic root of 39481688 is about 340.5115942987.

The spelling of 39481688 in words is "thirty-nine million, four hundred eighty-one thousand, six hundred eighty-eight".