39650872 has 16 divisors (see below), whose sum is σ = 78258600. Its totient is φ = 18781920.

The previous prime is 39650861. The next prime is 39650879. The reversal of 39650872 is 27805693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39650879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130279 + ... + 130582.

Almost surely, 2^39650872 is an apocalyptic number.

It is an amenable number.

39650872 is a deficient number, since it is larger than the sum of its proper divisors (38607728).

39650872 is a wasteful number, since it uses less digits than its factorization.

39650872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260886 (or 260882 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 39650872 is about 6296.8938374408. The cubic root of 39650872 is about 340.9972795568.

The spelling of 39650872 in words is "thirty-nine million, six hundred fifty thousand, eight hundred seventy-two".