8120044 has 12 divisors (see below), whose sum is σ = 14238000. Its totient is φ = 4052048.

The previous prime is 8120039. The next prime is 8120051. The reversal of 8120044 is 4400218.

It is a super-2 number, since 2×8120044² = 131870229123872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702 + ... + 4090.

It is an arithmetic number, because the mean of its divisors is an integer number (1186500).

Almost surely, 2^8120044 is an apocalyptic number.

It is an amenable number.

8120044 is a deficient number, since it is larger than the sum of its proper divisors (6117956).

8120044 is a wasteful number, since it uses less digits than its factorization.

8120044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992 (or 3990 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 8120044 is about 2849.5690902310. The cubic root of 8120044 is about 200.9954042991.

The spelling of 8120044 in words is "eight million, one hundred twenty thousand, forty-four".