39699952 has 10 divisors (see below), whose sum is σ = 76918688. Its totient is φ = 19849968.

The previous prime is 39699901. The next prime is 39699953. The reversal of 39699952 is 25999693.

It is a self number, because there is not a number n which added to its sum of digits gives 39699952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39699953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240608 + ... + 1240639.

Almost surely, 2^39699952 is an apocalyptic number.

It is an amenable number.

39699952 is a deficient number, since it is larger than the sum of its proper divisors (37218736).

39699952 is a wasteful number, since it uses less digits than its factorization.

39699952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481255 (or 2481249 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 52.

The square root of 39699952 is about 6300.7897917642. The cubic root of 39699952 is about 341.1379174547.

The spelling of 39699952 in words is "thirty-nine million, six hundred ninety-nine thousand, nine hundred fifty-two".