18413794 has 16 divisors (see below), whose sum is σ = 31968000. Its totient is φ = 7791264.

The previous prime is 18413789. The next prime is 18413803. The reversal of 18413794 is 49731481.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7219 + ... + 9430.

It is an arithmetic number, because the mean of its divisors is an integer number (1998000).

Almost surely, 2^18413794 is an apocalyptic number.

18413794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18413794 is a deficient number, since it is larger than the sum of its proper divisors (13554206).

18413794 is a wasteful number, since it uses less digits than its factorization.

18413794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16737.

The product of its digits is 24192, while the sum is 37.

The square root of 18413794 is about 4291.1296880891. The cubic root of 18413794 is about 264.0671794906.

The spelling of 18413794 in words is "eighteen million, four hundred thirteen thousand, seven hundred ninety-four".