18850374 has 16 divisors (see below), whose sum is σ = 41889840. Its totient is φ = 6283440.

The previous prime is 18850373. The next prime is 18850393. The reversal of 18850374 is 47305881.

18850374 is a `hidden beast` number, since 1 + 88 + 503 + 74 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18850373) 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, 174487 + ... + 174594.

It is an arithmetic number, because the mean of its divisors is an integer number (2618115).

Almost surely, 2^18850374 is an apocalyptic number.

18850374 is an abundant number, since it is smaller than the sum of its proper divisors (23039466).

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

18850374 is a wasteful number, since it uses less digits than its factorization.

18850374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349092 (or 349086 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 18850374 is about 4341.7017401015. The cubic root of 18850374 is about 266.1378579510.

The spelling of 18850374 in words is "eighteen million, eight hundred fifty thousand, three hundred seventy-four".