3990357836 has 12 divisors (see below), whose sum is σ = 7009087680. Its totient is φ = 1987761360.

The previous prime is 3990357821. The next prime is 3990357853. The reversal of 3990357836 is 6387530993.

3990357836 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, 1853180 + ... + 1855331.

It is an arithmetic number, because the mean of its divisors is an integer number (584090640).

Almost surely, 2^3990357836 is an apocalyptic number.

It is an amenable number.

3990357836 is a deficient number, since it is larger than the sum of its proper divisors (3018729844).

3990357836 is a wasteful number, since it uses less digits than its factorization.

3990357836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708784 (or 3708782 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 53.

The square root of 3990357836 is about 63169.2792107049. The cubic root of 3990357836 is about 1586.1245272733.

The spelling of 3990357836 in words is "three billion, nine hundred ninety million, three hundred fifty-seven thousand, eight hundred thirty-six".