18875230 has 64 divisors (see below), whose sum is σ = 39372480. Its totient is φ = 6451200.

The previous prime is 18875191. The next prime is 18875231. The reversal of 18875230 is 3257881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18875231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194542 + ... + 194638.

It is an arithmetic number, because the mean of its divisors is an integer number (615195).

Almost surely, 2^18875230 is an apocalyptic number.

18875230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18875230 is an abundant number, since it is smaller than the sum of its proper divisors (20497250).

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

18875230 is a wasteful number, since it uses less digits than its factorization.

18875230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 18875230 is about 4344.5632691906. The cubic root of 18875230 is about 266.2547825483.

It can be divided in two parts, 1887 and 5230, that added together give a palindrome (7117).

The spelling of 18875230 in words is "eighteen million, eight hundred seventy-five thousand, two hundred thirty".