39680924 has 12 divisors (see below), whose sum is σ = 73526544. Its totient is φ = 18673344.

The previous prime is 39680897. The next prime is 39680939. The reversal of 39680924 is 42908693.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291704 + ... + 291839.

It is an arithmetic number, because the mean of its divisors is an integer number (6127212).

Almost surely, 2^39680924 is an apocalyptic number.

39680924 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

39680924 is a deficient number, since it is larger than the sum of its proper divisors (33845620).

39680924 is a wasteful number, since it uses less digits than its factorization.

39680924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583564 (or 583562 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 39680924 is about 6299.2796413558. The cubic root of 39680924 is about 341.0834068126.

It can be divided in two parts, 39680 and 924, that added together give a palindrome (40604).

The spelling of 39680924 in words is "thirty-nine million, six hundred eighty thousand, nine hundred twenty-four".