18034988 has 12 divisors (see below), whose sum is σ = 31619112. Its totient is φ = 9000960.

The previous prime is 18034969. The next prime is 18034997. The reversal of 18034988 is 88943081.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493 + ... + 6188.

It is an arithmetic number, because the mean of its divisors is an integer number (2634926).

Almost surely, 2^18034988 is an apocalyptic number.

It is an amenable number.

18034988 is a deficient number, since it is larger than the sum of its proper divisors (13584124).

18034988 is a wasteful number, since it uses less digits than its factorization.

18034988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8272 (or 8270 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 18034988 is about 4246.7620606763. The cubic root of 18034988 is about 262.2438341482.

The spelling of 18034988 in words is "eighteen million, thirty-four thousand, nine hundred eighty-eight".