18994200 has 48 divisors (see below), whose sum is σ = 58883880. Its totient is φ = 5064960.

The previous prime is 18994187. The next prime is 18994201. The reversal of 18994200 is 249981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18994201) 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, 15229 + ... + 16428.

Almost surely, 2^18994200 is an apocalyptic number.

18994200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18994200 is an abundant number, since it is smaller than the sum of its proper divisors (39889680).

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

18994200 is a wasteful number, since it uses less digits than its factorization.

18994200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31676 (or 31667 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 18994200 is about 4358.2335871314. The cubic root of 18994200 is about 266.8130099517.

The spelling of 18994200 in words is "eighteen million, nine hundred ninety-four thousand, two hundred".