18986094 has 24 divisors (see below), whose sum is σ = 41246712. Its totient is φ = 6311760.

The previous prime is 18986089. The next prime is 18986113. The reversal of 18986094 is 49068981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6784 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (1718613).

Almost surely, 2^18986094 is an apocalyptic number.

18986094 is an abundant number, since it is smaller than the sum of its proper divisors (22260618).

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

18986094 is a wasteful number, since it uses less digits than its factorization.

18986094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 18986094 is about 4357.3035239698. The cubic root of 18986094 is about 266.7750493463.

The spelling of 18986094 in words is "eighteen million, nine hundred eighty-six thousand, ninety-four".