39115872 has 60 divisors (see below), whose sum is σ = 115046316. Its totient is φ = 13037760.

The previous prime is 39115859. The next prime is 39115877. The reversal of 39115872 is 27851193.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39115877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4954 + ... + 10137.

Almost surely, 2^39115872 is an apocalyptic number.

39115872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39115872 is an abundant number, since it is smaller than the sum of its proper divisors (75930444).

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

39115872 is a wasteful number, since it uses less digits than its factorization.

39115872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15113 (or 15096 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 39115872 is about 6254.2683025275. The cubic root of 39115872 is about 339.4566639043.

The spelling of 39115872 in words is "thirty-nine million, one hundred fifteen thousand, eight hundred seventy-two".