39489392 has 20 divisors (see below), whose sum is σ = 77216040. Its totient is φ = 19562688.

The previous prime is 39489377. The next prime is 39489403. The reversal of 39489392 is 29398493.

39489392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 9578 + ... + 13065.

It is an arithmetic number, because the mean of its divisors is an integer number (3860802).

Almost surely, 2^39489392 is an apocalyptic number.

It is an amenable number.

39489392 is a deficient number, since it is larger than the sum of its proper divisors (37726648).

39489392 is a wasteful number, since it uses less digits than its factorization.

39489392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22760 (or 22754 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The square root of 39489392 is about 6284.0585611530. The cubic root of 39489392 is about 340.5337406899.

The spelling of 39489392 in words is "thirty-nine million, four hundred eighty-nine thousand, three hundred ninety-two".