18841230 has 24 divisors (see below), whose sum is σ = 48987432. Its totient is φ = 5024304.

The previous prime is 18841189. The next prime is 18841241. The reversal of 18841230 is 3214881.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18841194 and 18841203.

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, 104584 + ... + 104763.

It is an arithmetic number, because the mean of its divisors is an integer number (2041143).

Almost surely, 2^18841230 is an apocalyptic number.

18841230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18841230 is an abundant number, since it is smaller than the sum of its proper divisors (30146202).

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

18841230 is a wasteful number, since it uses less digits than its factorization.

18841230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209360 (or 209357 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 18841230 is about 4340.6485690505. The cubic root of 18841230 is about 266.0948179884.

The spelling of 18841230 in words is "eighteen million, eight hundred forty-one thousand, two hundred thirty".