18801084 has 24 divisors (see below), whose sum is σ = 44489088. Its totient is φ = 6178480.

The previous prime is 18801073. The next prime is 18801091. The reversal of 18801084 is 48010881.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

18801084 is a modest number, since divided by 1084 gives 188 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10182 + ... + 11885.

It is an arithmetic number, because the mean of its divisors is an integer number (1853712).

Almost surely, 2^18801084 is an apocalyptic number.

It is an amenable number.

18801084 is an abundant number, since it is smaller than the sum of its proper divisors (25688004).

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

18801084 is a wasteful number, since it uses less digits than its factorization.

18801084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22145 (or 22143 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 18801084 is about 4336.0216789126. The cubic root of 18801084 is about 265.9056895201.

The spelling of 18801084 in words is "eighteen million, eight hundred one thousand, eighty-four".