39720652 has 12 divisors (see below), whose sum is σ = 69573616. Its totient is φ = 19842480.

The previous prime is 39720643. The next prime is 39720679. The reversal of 39720652 is 25602793.

It is a happy number.

39720652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 1402 + ... + 9022.

Almost surely, 2^39720652 is an apocalyptic number.

It is an amenable number.

39720652 is a deficient number, since it is larger than the sum of its proper divisors (29852964).

39720652 is a wasteful number, since it uses less digits than its factorization.

39720652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8928 (or 8926 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 39720652 is about 6302.4322289097. The cubic root of 39720652 is about 341.1971981975.

The spelling of 39720652 in words is "thirty-nine million, seven hundred twenty thousand, six hundred fifty-two".