18104000 has 112 divisors (see below), whose sum is σ = 46914816. Its totient is φ = 6912000.

The previous prime is 18103999. The next prime is 18104039. The reversal of 18104000 is 40181.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247964 + ... + 248036.

Almost surely, 2^18104000 is an apocalyptic number.

18104000 is a gapful number since it is divisible by the number (10) 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 18104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23457408).

18104000 is an abundant number, since it is smaller than the sum of its proper divisors (28810816).

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

18104000 is an equidigital number, since it uses as much as digits as its factorization.

18104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 18104000 is about 4254.8795517617. The cubic root of 18104000 is about 262.5779058259.

Adding to 18104000 its reverse (40181), we get a palindrome (18144181).

The spelling of 18104000 in words is "eighteen million, one hundred four thousand".