18474092 has 24 divisors (see below), whose sum is σ = 39791136. Its totient is φ = 7308288.

The previous prime is 18474091. The next prime is 18474097. The reversal of 18474092 is 29047481.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (18474091) 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, 25013 + ... + 25740.

It is an arithmetic number, because the mean of its divisors is an integer number (1657964).

Almost surely, 2^18474092 is an apocalyptic number.

It is an amenable number.

18474092 is an abundant number, since it is smaller than the sum of its proper divisors (21317044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18474092 is a wasteful number, since it uses less digits than its factorization.

18474092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50777 (or 50775 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 18474092 is about 4298.1498345218. The cubic root of 18474092 is about 264.3551044759.

The spelling of 18474092 in words is "eighteen million, four hundred seventy-four thousand, ninety-two".