18482117 has 6 divisors (see below), whose sum is σ = 19506438. Its totient is φ = 17509032.

The previous prime is 18482099. The next prime is 18482119. The reversal of 18482117 is 71128481.

It can be written as a sum of positive squares in only one way, i.e., 18438436 + 43681 = 4294^2 + 209^2 .

It is not a de Polignac number, because 18482117 - 2⁶ = 18482053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18482119) 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, 25238 + ... + 25959.

It is an arithmetic number, because the mean of its divisors is an integer number (3251073).

Almost surely, 2^18482117 is an apocalyptic number.

It is an amenable number.

18482117 is a deficient number, since it is larger than the sum of its proper divisors (1024321).

18482117 is an equidigital number, since it uses as much as digits as its factorization.

18482117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51235 (or 51216 counting only the distinct ones).

The product of its digits is 3584, while the sum is 32.

The square root of 18482117 is about 4299.0832743737. The cubic root of 18482117 is about 264.3933768595.

The spelling of 18482117 in words is "eighteen million, four hundred eighty-two thousand, one hundred seventeen".