3990516 has 24 divisors (see below), whose sum is σ = 9633120. Its totient is φ = 1284192.

The previous prime is 3990509. The next prime is 3990521. The reversal of 3990516 is 6150993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5386 + ... + 6081.

It is an arithmetic number, because the mean of its divisors is an integer number (401380).

Almost surely, 2^3990516 is an apocalyptic number.

It is an amenable number.

3990516 is an abundant number, since it is smaller than the sum of its proper divisors (5642604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3990516 is a wasteful number, since it uses less digits than its factorization.

3990516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11503 (or 11501 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 3990516 is about 1997.6275929212. The cubic root of 3990516 is about 158.6145483162.

The spelling of 3990516 in words is "three million, nine hundred ninety thousand, five hundred sixteen".