39664796 has 6 divisors (see below), whose sum is σ = 69413400. Its totient is φ = 19832396.

The previous prime is 39664771. The next prime is 39664817. The reversal of 39664796 is 69746693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4958096 + ... + 4958103.

It is an arithmetic number, because the mean of its divisors is an integer number (11568900).

Almost surely, 2^39664796 is an apocalyptic number.

It is an amenable number.

39664796 is a deficient number, since it is larger than the sum of its proper divisors (29748604).

39664796 is a wasteful number, since it uses less digits than its factorization.

39664796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9916203 (or 9916201 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 50.

The square root of 39664796 is about 6297.9993648777. Note that the first 3 decimals coincide. The cubic root of 39664796 is about 341.0371903264.

The spelling of 39664796 in words is "thirty-nine million, six hundred sixty-four thousand, seven hundred ninety-six".