18814700 has 18 divisors (see below), whose sum is σ = 40828116. Its totient is φ = 7525840.

The previous prime is 18814681. The next prime is 18814703. The reversal of 18814700 is 741881.

It is not an unprimeable number, because it can be changed into a prime (18814703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93974 + ... + 94173.

Almost surely, 2^18814700 is an apocalyptic number.

18814700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18814700 is an abundant number, since it is smaller than the sum of its proper divisors (22013416).

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

18814700 is a wasteful number, since it uses less digits than its factorization.

18814700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188161 (or 188154 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 18814700 is about 4337.5914975940. The cubic root of 18814700 is about 265.9698648658.

The spelling of 18814700 in words is "eighteen million, eight hundred fourteen thousand, seven hundred".