3123998 has 16 divisors (see below), whose sum is σ = 4941216. Its totient is φ = 1478400.

The previous prime is 3123997. The next prime is 3124001. The reversal of 3123998 is 8993213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4898 + ... + 5498.

It is an arithmetic number, because the mean of its divisors is an integer number (308826).

Almost surely, 2^3123998 is an apocalyptic number.

3123998 is a deficient number, since it is larger than the sum of its proper divisors (1817218).

3123998 is a wasteful number, since it uses less digits than its factorization.

3123998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its digits is 11664, while the sum is 35.

The square root of 3123998 is about 1767.4835218468. The cubic root of 3123998 is about 146.1852592895.

The spelling of 3123998 in words is "three million, one hundred twenty-three thousand, nine hundred ninety-eight".