39491696 has 20 divisors (see below), whose sum is σ = 76948200. Its totient is φ = 19634112.

The previous prime is 39491677. The next prime is 39491719. The reversal of 39491696 is 69619493.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 39491696.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4031 + ... + 9758.

It is an arithmetic number, because the mean of its divisors is an integer number (3847410).

Almost surely, 2^39491696 is an apocalyptic number.

It is an amenable number.

39491696 is a deficient number, since it is larger than the sum of its proper divisors (37456504).

39491696 is a wasteful number, since it uses less digits than its factorization.

39491696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13976 (or 13970 counting only the distinct ones).

The product of its digits is 314928, while the sum is 47.

The square root of 39491696 is about 6284.2418794951. The cubic root of 39491696 is about 340.5403633501.

The spelling of 39491696 in words is "thirty-nine million, four hundred ninety-one thousand, six hundred ninety-six".