39707964 has 18 divisors (see below), whose sum is σ = 100373000. Its totient is φ = 13235976.

The previous prime is 39707951. The next prime is 39707977. The reversal of 39707964 is 46970793.

It is an interprime number because it is at equal distance from previous prime (39707951) and next prime (39707977).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 551464 + ... + 551535.

Almost surely, 2^39707964 is an apocalyptic number.

It is an amenable number.

39707964 is an abundant number, since it is smaller than the sum of its proper divisors (60665036).

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

39707964 is a wasteful number, since it uses less digits than its factorization.

39707964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103009 (or 1103004 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 39707964 is about 6301.4255529999. The cubic root of 39707964 is about 341.1608646962.

The spelling of 39707964 in words is "thirty-nine million, seven hundred seven thousand, nine hundred sixty-four".