18097914 has 32 divisors (see below), whose sum is σ = 38257920. Its totient is φ = 5698112.

The previous prime is 18097909. The next prime is 18097927. The reversal of 18097914 is 41979081.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7072 + ... + 9284.

It is an arithmetic number, because the mean of its divisors is an integer number (1195560).

Almost surely, 2^18097914 is an apocalyptic number.

18097914 is an abundant number, since it is smaller than the sum of its proper divisors (20160006).

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

18097914 is a wasteful number, since it uses less digits than its factorization.

18097914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 18097914 is about 4254.1643127646. The cubic root of 18097914 is about 262.5484790281.

The spelling of 18097914 in words is "eighteen million, ninety-seven thousand, nine hundred fourteen".