39494864 has 20 divisors (see below), whose sum is σ = 79849056. Its totient is φ = 18888672.

The previous prime is 39494857. The next prime is 39494867. The reversal of 39494864 is 46849493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39494867) by changing a digit.

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, 53294 + ... + 54029.

Almost surely, 2^39494864 is an apocalyptic number.

It is an amenable number.

39494864 is an abundant number, since it is smaller than the sum of its proper divisors (40354192).

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

39494864 is a wasteful number, since it uses less digits than its factorization.

39494864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107354 (or 107348 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The square root of 39494864 is about 6284.4939334842. The cubic root of 39494864 is about 340.5494690874.

The spelling of 39494864 in words is "thirty-nine million, four hundred ninety-four thousand, eight hundred sixty-four".