39329972 has 12 divisors (see below), whose sum is σ = 75084576. Its totient is φ = 17877240.

The previous prime is 39329971. The next prime is 39329987. The reversal of 39329972 is 27992393.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 893863 = 39329972 / (3 + 9 + 3 + 2 + 9 + 9 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39329971) 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, 446888 + ... + 446975.

It is an arithmetic number, because the mean of its divisors is an integer number (6257048).

Almost surely, 2^39329972 is an apocalyptic number.

It is an amenable number.

39329972 is a deficient number, since it is larger than the sum of its proper divisors (35754604).

39329972 is a wasteful number, since it uses less digits than its factorization.

39329972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893878 (or 893876 counting only the distinct ones).

The product of its digits is 183708, while the sum is 44.

The square root of 39329972 is about 6271.3612557403. The cubic root of 39329972 is about 340.0748739370.

The spelling of 39329972 in words is "thirty-nine million, three hundred twenty-nine thousand, nine hundred seventy-two".