18848180 has 24 divisors (see below), whose sum is σ = 42626472. Its totient is φ = 6959232.

The previous prime is 18848161. The next prime is 18848191. The reversal of 18848180 is 8184881.

It can be written as a sum of positive squares in 4 ways, for example, as 972196 + 17875984 = 986^2 + 4228^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35987 + ... + 36506.

It is an arithmetic number, because the mean of its divisors is an integer number (1776103).

Almost surely, 2^18848180 is an apocalyptic number.

18848180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18848180 is an abundant number, since it is smaller than the sum of its proper divisors (23778292).

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

18848180 is a wasteful number, since it uses less digits than its factorization.

18848180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72515 (or 72513 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 38.

The square root of 18848180 is about 4341.4490668439. The cubic root of 18848180 is about 266.1275322652.

The spelling of 18848180 in words is "eighteen million, eight hundred forty-eight thousand, one hundred eighty".