18874854 has 24 divisors (see below), whose sum is σ = 41162160. Its totient is φ = 6250608.

The previous prime is 18874831. The next prime is 18874859. The reversal of 18874854 is 45847881.

It is a super-2 number, since 2×18874854² = 712520227042632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18874859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 514 + ... + 6165.

It is an arithmetic number, because the mean of its divisors is an integer number (1715090).

Almost surely, 2^18874854 is an apocalyptic number.

18874854 is an abundant number, since it is smaller than the sum of its proper divisors (22287306).

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

18874854 is a wasteful number, since it uses less digits than its factorization.

18874854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844 (or 6841 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 18874854 is about 4344.5199965013. The cubic root of 18874854 is about 266.2530145794.

The spelling of 18874854 in words is "eighteen million, eight hundred seventy-four thousand, eight hundred fifty-four".