3990708272 has 20 divisors (see below), whose sum is σ = 7774721136. Its totient is φ = 1984328640.

The previous prime is 3990708259. The next prime is 3990708287. The reversal of 3990708272 is 2728070993.

3990708272 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686108 + ... + 691899.

Almost surely, 2^3990708272 is an apocalyptic number.

It is an amenable number.

3990708272 is a deficient number, since it is larger than the sum of its proper divisors (3784012864).

3990708272 is a wasteful number, since it uses less digits than its factorization.

3990708272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378196 (or 1378190 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 3990708272 is about 63172.0529348224. The cubic root of 3990708272 is about 1586.1709574338.

The spelling of 3990708272 in words is "three billion, nine hundred ninety million, seven hundred eight thousand, two hundred seventy-two".