39988875 has 16 divisors (see below), whose sum is σ = 66542112. Its totient is φ = 21327200.

The previous prime is 39988867. The next prime is 39988903. The reversal of 39988875 is 57888993.

It is not a de Polignac number, because 39988875 - 2³ = 39988867 is a prime.

It is a super-2 number, since 2×39988875² = 3198220247531250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52944 + ... + 53693.

It is an arithmetic number, because the mean of its divisors is an integer number (4158882).

Almost surely, 2^39988875 is an apocalyptic number.

39988875 is a deficient number, since it is larger than the sum of its proper divisors (26553237).

39988875 is a wasteful number, since it uses less digits than its factorization.

39988875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106655 (or 106645 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 57.

The square root of 39988875 is about 6323.6757507007. The cubic root of 39988875 is about 341.9634805915.

The spelling of 39988875 in words is "thirty-nine million, nine hundred eighty-eight thousand, eight hundred seventy-five".