18104832 has 60 divisors (see below), whose sum is σ = 52265070. Its totient is φ = 6033408.

The previous prime is 18104797. The next prime is 18104851. The reversal of 18104832 is 23840181.

18104832 is a `hidden beast` number, since 181 + 0 + 483 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17438976 + 665856 = 4176^2 + 816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18104796 and 18104805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2644 + ... + 6572.

Almost surely, 2^18104832 is an apocalyptic number.

18104832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18104832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26132535).

18104832 is an abundant number, since it is smaller than the sum of its proper divisors (34160238).

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

18104832 is an equidigital number, since it uses as much as digits as its factorization.

18104832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3934 counting only the distinct ones).

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

The square root of 18104832 is about 4254.9773207386. The cubic root of 18104832 is about 262.5819281685.

The spelling of 18104832 in words is "eighteen million, one hundred four thousand, eight hundred thirty-two".