3990315 has 48 divisors (see below), whose sum is σ = 7633440. Its totient is φ = 1774080.

The previous prime is 3990307. The next prime is 3990331. The reversal of 3990315 is 5130993.

It is not a de Polignac number, because 3990315 - 2³ = 3990307 is a prime.

It is a super-2 number, since 2×3990315² = 31845227598450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44791 + ... + 44879.

It is an arithmetic number, because the mean of its divisors is an integer number (159030).

Almost surely, 2^3990315 is an apocalyptic number.

3990315 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3990315 is a deficient number, since it is larger than the sum of its proper divisors (3643125).

3990315 is a wasteful number, since it uses less digits than its factorization.

3990315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 3990315 is about 1997.5772826101. The cubic root of 3990315 is about 158.6118851636.

The spelling of 3990315 in words is "three million, nine hundred ninety thousand, three hundred fifteen".