18496089 has 6 divisors (see below), whose sum is σ = 26716586. Its totient is φ = 12330720.

The previous prime is 18496081. The next prime is 18496097. The reversal of 18496089 is 98069481.

It is an interprime number because it is at equal distance from previous prime (18496081) and next prime (18496097).

It can be written as a sum of positive squares in only one way, i.e., 15468489 + 3027600 = 3933^2 + 1740^2 .

It is not a de Polignac number, because 18496089 - 2³ = 18496081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18496081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1027552 + ... + 1027569.

Almost surely, 2^18496089 is an apocalyptic number.

It is an amenable number.

18496089 is a deficient number, since it is larger than the sum of its proper divisors (8220497).

18496089 is a wasteful number, since it uses less digits than its factorization.

18496089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055127 (or 2055124 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 18496089 is about 4300.7079649751. The cubic root of 18496089 is about 264.4599849177.

The spelling of 18496089 in words is "eighteen million, four hundred ninety-six thousand, eighty-nine".