39739964 has 24 divisors (see below), whose sum is σ = 76204800. Its totient is φ = 17983280.

The previous prime is 39739943. The next prime is 39739991. The reversal of 39739964 is 46993793.

It is a happy number.

39739964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8627 + ... + 12405.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 2^39739964 is an apocalyptic number.

It is an amenable number.

39739964 is a deficient number, since it is larger than the sum of its proper divisors (36464836).

39739964 is a wasteful number, since it uses less digits than its factorization.

39739964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033 (or 4031 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 50.

The square root of 39739964 is about 6303.9641496443. The cubic root of 39739964 is about 341.2524854126.

The spelling of 39739964 in words is "thirty-nine million, seven hundred thirty-nine thousand, nine hundred sixty-four".