3998113 has 16 divisors (see below), whose sum is σ = 5022720. Its totient is φ = 3103056.

The previous prime is 3998107. The next prime is 3998119. The reversal of 3998113 is 3118993.

It is an interprime number because it is at equal distance from previous prime (3998107) and next prime (3998119).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3998113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2406 + ... + 3712.

It is an arithmetic number, because the mean of its divisors is an integer number (313920).

Almost surely, 2^3998113 is an apocalyptic number.

It is an amenable number.

3998113 is a deficient number, since it is larger than the sum of its proper divisors (1024607).

3998113 is a wasteful number, since it uses less digits than its factorization.

3998113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

The product of its digits is 5832, while the sum is 34.

The square root of 3998113 is about 1999.5281943499. The cubic root of 3998113 is about 158.7151393890.

The spelling of 3998113 in words is "three million, nine hundred ninety-eight thousand, one hundred thirteen".