39493964 has 12 divisors (see below), whose sum is σ = 69165600. Its totient is φ = 19732368.

The previous prime is 39493943. The next prime is 39493981. The reversal of 39493964 is 46939493.

It is a happy number.

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 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, 4397 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (5763800).

Almost surely, 2^39493964 is an apocalyptic number.

It is an amenable number.

39493964 is a deficient number, since it is larger than the sum of its proper divisors (29671636).

39493964 is a wasteful number, since it uses less digits than its factorization.

39493964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312 (or 7310 counting only the distinct ones).

The product of its digits is 629856, while the sum is 47.

The square root of 39493964 is about 6284.4223282653. The cubic root of 39493964 is about 340.5468822797.

The spelling of 39493964 in words is "thirty-nine million, four hundred ninety-three thousand, nine hundred sixty-four".