39680692 has 12 divisors (see below), whose sum is σ = 69733440. Its totient is φ = 19756856.

The previous prime is 39680689. The next prime is 39680699. The reversal of 39680692 is 29608693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39680699) 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, 19798 + ... + 21709.

It is an arithmetic number, because the mean of its divisors is an integer number (5811120).

Almost surely, 2^39680692 is an apocalyptic number.

It is an amenable number.

39680692 is a deficient number, since it is larger than the sum of its proper divisors (30052748).

39680692 is a wasteful number, since it uses less digits than its factorization.

39680692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41750 (or 41748 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 39680692 is about 6299.2612265249. The cubic root of 39680692 is about 341.0827420809.

The spelling of 39680692 in words is "thirty-nine million, six hundred eighty thousand, six hundred ninety-two".