18000896 has 22 divisors (see below), whose sum is σ = 35986260. Its totient is φ = 8999936.

The previous prime is 18000893. The next prime is 18000901. The reversal of 18000896 is 69800081.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (18000893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7766 + ... + 9813.

Almost surely, 2^18000896 is an apocalyptic number.

18000896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18000896 is a deficient number, since it is larger than the sum of its proper divisors (17985364).

18000896 is an equidigital number, since it uses as much as digits as its factorization.

18000896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17599 (or 17581 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 18000896 is about 4242.7462804179. The cubic root of 18000896 is about 262.0784878382.

The spelling of 18000896 in words is "eighteen million, eight hundred ninety-six", and thus it is an aban number.