18580230 has 24 divisors (see below), whose sum is σ = 48308832. Its totient is φ = 4954704.

The previous prime is 18580223. The next prime is 18580267. The reversal of 18580230 is 3208581.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18580194 and 18580203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103134 + ... + 103313.

It is an arithmetic number, because the mean of its divisors is an integer number (2012868).

Almost surely, 2^18580230 is an apocalyptic number.

18580230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18580230 is an abundant number, since it is smaller than the sum of its proper divisors (29728602).

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

18580230 is a wasteful number, since it uses less digits than its factorization.

18580230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206460 (or 206457 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 18580230 is about 4310.4790917020. The cubic root of 18580230 is about 264.8603987628.

The spelling of 18580230 in words is "eighteen million, five hundred eighty thousand, two hundred thirty".