39488972 has 6 divisors (see below), whose sum is σ = 69105708. Its totient is φ = 19744484.

The previous prime is 39488957. The next prime is 39488983. The reversal of 39488972 is 27988493.

It is a happy number.

39488972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 39488972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4936118 + ... + 4936125.

It is an arithmetic number, because the mean of its divisors is an integer number (11517618).

Almost surely, 2^39488972 is an apocalyptic number.

It is an amenable number.

39488972 is a deficient number, since it is larger than the sum of its proper divisors (29616736).

39488972 is a wasteful number, since it uses less digits than its factorization.

39488972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9872247 (or 9872245 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 39488972 is about 6284.0251431706. The cubic root of 39488972 is about 340.5325334063.

The spelling of 39488972 in words is "thirty-nine million, four hundred eighty-eight thousand, nine hundred seventy-two".