18418482 has 16 divisors (see below), whose sum is σ = 40930080. Its totient is φ = 6139476.

The previous prime is 18418459. The next prime is 18418487. The reversal of 18418482 is 28481481.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18418487) 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, 170488 + ... + 170595.

It is an arithmetic number, because the mean of its divisors is an integer number (2558130).

Almost surely, 2^18418482 is an apocalyptic number.

18418482 is an abundant number, since it is smaller than the sum of its proper divisors (22511598).

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

18418482 is a wasteful number, since it uses less digits than its factorization.

18418482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341094 (or 341088 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 18418482 is about 4291.6758964302. The cubic root of 18418482 is about 264.0895873640.

The spelling of 18418482 in words is "eighteen million, four hundred eighteen thousand, four hundred eighty-two".