39680396 has 36 divisors (see below), whose sum is σ = 81137448. Its totient is φ = 16930368.

The previous prime is 39680393. The next prime is 39680413. The reversal of 39680396 is 69308693.

It is not an unprimeable number, because it can be changed into a prime (39680393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86600 + ... + 87056.

It is an arithmetic number, because the mean of its divisors is an integer number (2253818).

Almost surely, 2^39680396 is an apocalyptic number.

It is an amenable number.

39680396 is an abundant number, since it is smaller than the sum of its proper divisors (41457052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39680396 is a wasteful number, since it uses less digits than its factorization.

39680396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 39680396 is about 6299.2377316625. The cubic root of 39680396 is about 341.0818939711.

The spelling of 39680396 in words is "thirty-nine million, six hundred eighty thousand, three hundred ninety-six".