18868098 has 16 divisors (see below), whose sum is σ = 37791936. Its totient is φ = 6280080.

The previous prime is 18868097. The next prime is 18868111. The reversal of 18868098 is 89086881.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18868097) 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, 3028 + ... + 6848.

It is an arithmetic number, because the mean of its divisors is an integer number (2361996).

Almost surely, 2^18868098 is an apocalyptic number.

18868098 is an abundant number, since it is smaller than the sum of its proper divisors (18923838).

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

18868098 is a wasteful number, since it uses less digits than its factorization.

18868098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649.

The product of its (nonzero) digits is 221184, while the sum is 48.

The square root of 18868098 is about 4343.7423956768. The cubic root of 18868098 is about 266.2212435605.

It can be divided in two parts, 188 and 68098, that added together give a palindrome (68286).

The spelling of 18868098 in words is "eighteen million, eight hundred sixty-eight thousand, ninety-eight".