3998315 has 12 divisors (see below), whose sum is σ = 5098656. Its totient is φ = 3009408.

The previous prime is 3998299. The next prime is 3998333. The reversal of 3998315 is 5138993.

3998315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3998315 - 2⁴ = 3998299 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 62 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (424888).

Almost surely, 2^3998315 is an apocalyptic number.

3998315 is a deficient number, since it is larger than the sum of its proper divisors (1100341).

3998315 is a wasteful number, since it uses less digits than its factorization.

3998315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806 (or 2789 counting only the distinct ones).

The product of its digits is 29160, while the sum is 38.

The square root of 3998315 is about 1999.5787056278. The cubic root of 3998315 is about 158.7178123098.

The spelling of 3998315 in words is "three million, nine hundred ninety-eight thousand, three hundred fifteen".