39870704 has 20 divisors (see below), whose sum is σ = 77510664. Its totient is φ = 19867968.

The previous prime is 39870671. The next prime is 39870709. The reversal of 39870704 is 40707893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39870709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854 + ... + 8970.

Almost surely, 2^39870704 is an apocalyptic number.

It is an amenable number.

39870704 is a deficient number, since it is larger than the sum of its proper divisors (37639960).

39870704 is a wasteful number, since it uses less digits than its factorization.

39870704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8432 (or 8426 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 39870704 is about 6314.3253004577. The cubic root of 39870704 is about 341.6263031702.

The spelling of 39870704 in words is "thirty-nine million, eight hundred seventy thousand, seven hundred four".