3990632 has 32 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 1896384.

The previous prime is 3990619. The next prime is 3990641. The reversal of 3990632 is 2360993.

3990632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23813 + ... + 23979.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

Almost surely, 2^3990632 is an apocalyptic number.

It is an amenable number.

3990632 is a deficient number, since it is larger than the sum of its proper divisors (3871768).

3990632 is a wasteful number, since it uses less digits than its factorization.

3990632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 3990632 is about 1997.6566271509. The cubic root of 3990632 is about 158.6160852193.

The spelling of 3990632 in words is "three million, nine hundred ninety thousand, six hundred thirty-two".