18589482 has 24 divisors (see below), whose sum is σ = 41261220. Its totient is φ = 6045120.

The previous prime is 18589481. The next prime is 18589489. The reversal of 18589482 is 28498581.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18584721 + 4761 = 4311^2 + 69^2 .

It is not an unprimeable number, because it can be changed into a prime (18589481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11857 + ... + 13332.

Almost surely, 2^18589482 is an apocalyptic number.

18589482 is an abundant number, since it is smaller than the sum of its proper divisors (22671738).

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

18589482 is a wasteful number, since it uses less digits than its factorization.

18589482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25238 (or 25235 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 18589482 is about 4311.5521567064. The cubic root of 18589482 is about 264.9043537584.

Subtracting 18589482 from its reverse (28498581), we obtain a palindrome (9909099).

The spelling of 18589482 in words is "eighteen million, five hundred eighty-nine thousand, four hundred eighty-two".