18869325 has 48 divisors (see below), whose sum is σ = 32783616. Its totient is φ = 9568000.

The previous prime is 18869311. The next prime is 18869329. The reversal of 18869325 is 52396881.

It is not a de Polignac number, because 18869325 - 2⁵ = 18869293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18869329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186775 + ... + 186875.

It is an arithmetic number, because the mean of its divisors is an integer number (682992).

Almost surely, 2^18869325 is an apocalyptic number.

18869325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18869325 is a deficient number, since it is larger than the sum of its proper divisors (13914291).

18869325 is a wasteful number, since it uses less digits than its factorization.

18869325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 209 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 18869325 is about 4343.8836310380. The cubic root of 18869325 is about 266.2270142602.

It can be divided in two parts, 1886 and 9325, that added together give a palindrome (11211).

The spelling of 18869325 in words is "eighteen million, eight hundred sixty-nine thousand, three hundred twenty-five".