18174089 has 8 divisors (see below), whose sum is σ = 19208640. Its totient is φ = 17147376.

The previous prime is 18174061. The next prime is 18174103. The reversal of 18174089 is 98047181.

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

It is a cyclic number.

It is not a de Polignac number, because 18174089 - 2²⁰ = 17125513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18174019) 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, 3179 + ... + 6815.

It is an arithmetic number, because the mean of its divisors is an integer number (2401080).

Almost surely, 2^18174089 is an apocalyptic number.

18174089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

18174089 is a deficient number, since it is larger than the sum of its proper divisors (1034551).

18174089 is a wasteful number, since it uses less digits than its factorization.

18174089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 18174089 is about 4263.1079038654. The cubic root of 18174089 is about 262.9163231899.

The spelling of 18174089 in words is "eighteen million, one hundred seventy-four thousand, eighty-nine".