18480582 has 16 divisors (see below), whose sum is σ = 41068080. Its totient is φ = 6160176.

The previous prime is 18480577. The next prime is 18480589. The reversal of 18480582 is 28508481.

It is a super-2 number, since 2×18480582² = 683063822117448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18480589) 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, 171063 + ... + 171170.

It is an arithmetic number, because the mean of its divisors is an integer number (2566755).

Almost surely, 2^18480582 is an apocalyptic number.

18480582 is an abundant number, since it is smaller than the sum of its proper divisors (22587498).

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

18480582 is a wasteful number, since it uses less digits than its factorization.

18480582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342244 (or 342238 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 18480582 is about 4298.9047442343. The cubic root of 18480582 is about 264.3860570799.

The spelling of 18480582 in words is "eighteen million, four hundred eighty thousand, five hundred eighty-two".