18854700 has 72 divisors (see below), whose sum is σ = 57777552. Its totient is φ = 4730880.

The previous prime is 18854681. The next prime is 18854701. The reversal of 18854700 is 745881.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18854701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3252 + ... + 6948.

It is an arithmetic number, because the mean of its divisors is an integer number (802466).

Almost surely, 2^18854700 is an apocalyptic number.

18854700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18854700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28888776).

18854700 is an abundant number, since it is smaller than the sum of its proper divisors (38922852).

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

18854700 is a wasteful number, since it uses less digits than its factorization.

18854700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731 (or 3724 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 18854700 is about 4342.1999032748. The cubic root of 18854700 is about 266.1582151830.

The spelling of 18854700 in words is "eighteen million, eight hundred fifty-four thousand, seven hundred".