18119089 has 8 divisors (see below), whose sum is σ = 18627840. Its totient is φ = 17613600.

The previous prime is 18119083. The next prime is 18119099. The reversal of 18119089 is 98091181.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18119089 - 2³ = 18119081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18119081) 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, 14104 + ... + 15334.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^18119089 is an apocalyptic number.

It is an amenable number.

18119089 is a deficient number, since it is larger than the sum of its proper divisors (508751).

18119089 is a wasteful number, since it uses less digits than its factorization.

18119089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631.

The product of its (nonzero) digits is 5184, while the sum is 37.

The square root of 18119089 is about 4256.6523231291. The cubic root of 18119089 is about 262.6508351563.

The spelling of 18119089 in words is "eighteen million, one hundred nineteen thousand, eighty-nine".