18940112 has 20 divisors (see below), whose sum is σ = 38628480. Its totient is φ = 8971488.

The previous prime is 18940079. The next prime is 18940127. The reversal of 18940112 is 21104981.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30848 + ... + 31455.

It is an arithmetic number, because the mean of its divisors is an integer number (1931424).

Almost surely, 2^18940112 is an apocalyptic number.

It is an amenable number.

18940112 is an abundant number, since it is smaller than the sum of its proper divisors (19688368).

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

18940112 is a wasteful number, since it uses less digits than its factorization.

18940112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62330 (or 62324 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 18940112 is about 4352.0238969932. The cubic root of 18940112 is about 266.5595097238.

The spelling of 18940112 in words is "eighteen million, nine hundred forty thousand, one hundred twelve".