18000876 has 12 divisors (see below), whose sum is σ = 42002072. Its totient is φ = 6000288.

The previous prime is 18000869. The next prime is 18000877. The reversal of 18000876 is 67800081.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (18000877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750025 + ... + 750048.

Almost surely, 2^18000876 is an apocalyptic number.

It is an amenable number.

18000876 is an abundant number, since it is smaller than the sum of its proper divisors (24001196).

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

18000876 is a wasteful number, since it uses less digits than its factorization.

18000876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500080 (or 1500078 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 18000876 is about 4242.7439234533. The cubic root of 18000876 is about 262.0783907769.

The spelling of 18000876 in words is "eighteen million, eight hundred seventy-six", and thus it is an aban number.