39868944 has 40 divisors (see below), whose sum is σ = 109055520. Its totient is φ = 12507648.

The previous prime is 39868901. The next prime is 39868951. The reversal of 39868944 is 44986893.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23614 + ... + 25245.

It is an arithmetic number, because the mean of its divisors is an integer number (2726388).

Almost surely, 2^39868944 is an apocalyptic number.

39868944 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

39868944 is an abundant number, since it is smaller than the sum of its proper divisors (69186576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39868944 is a wasteful number, since it uses less digits than its factorization.

39868944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48887 (or 48881 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 39868944 is about 6314.1859332775. The cubic root of 39868944 is about 341.6212763286.

The spelling of 39868944 in words is "thirty-nine million, eight hundred sixty-eight thousand, nine hundred forty-four".