18098884 has 12 divisors (see below), whose sum is σ = 33050304. Its totient is φ = 8655944.

The previous prime is 18098879. The next prime is 18098891. The reversal of 18098884 is 48889081.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98272 + ... + 98455.

It is an arithmetic number, because the mean of its divisors is an integer number (2754192).

Almost surely, 2^18098884 is an apocalyptic number.

It is an amenable number.

18098884 is a deficient number, since it is larger than the sum of its proper divisors (14951420).

18098884 is a wasteful number, since it uses less digits than its factorization.

18098884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196754 (or 196752 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 46.

The square root of 18098884 is about 4254.2783171767. The cubic root of 18098884 is about 262.5531695774.

The spelling of 18098884 in words is "eighteen million, ninety-eight thousand, eight hundred eighty-four".