18812094 has 16 divisors (see below), whose sum is σ = 42999168. Its totient is φ = 5374872.

The previous prime is 18812093. The next prime is 18812117. The reversal of 18812094 is 49021881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18812093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223912 + ... + 223995.

It is an arithmetic number, because the mean of its divisors is an integer number (2687448).

Almost surely, 2^18812094 is an apocalyptic number.

18812094 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18812094 is an abundant number, since it is smaller than the sum of its proper divisors (24187074).

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

18812094 is a wasteful number, since it uses less digits than its factorization.

18812094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447919.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 18812094 is about 4337.2910900699. The cubic root of 18812094 is about 265.9575845837.

The spelling of 18812094 in words is "eighteen million, eight hundred twelve thousand, ninety-four".