39915152 has 20 divisors (see below), whose sum is σ = 78648240. Its totient is φ = 19618848.

The previous prime is 39915149. The next prime is 39915157. The reversal of 39915152 is 25151993.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (39915157) 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, 20198 + ... + 22085.

It is an arithmetic number, because the mean of its divisors is an integer number (3932412).

Almost surely, 2^39915152 is an apocalyptic number.

It is an amenable number.

39915152 is a deficient number, since it is larger than the sum of its proper divisors (38733088).

39915152 is a wasteful number, since it uses less digits than its factorization.

39915152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42350 (or 42344 counting only the distinct ones).

The product of its digits is 12150, while the sum is 35.

The square root of 39915152 is about 6317.8439360275. The cubic root of 39915152 is about 341.7532047568.

It can be divided in two parts, 399 and 15152, that added together give a palindrome (15551).

The spelling of 39915152 in words is "thirty-nine million, nine hundred fifteen thousand, one hundred fifty-two".