18089084 has 18 divisors (see below), whose sum is σ = 34279560. Its totient is φ = 8348496.

The previous prime is 18089081. The next prime is 18089117. The reversal of 18089084 is 48098081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18089081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12704 + ... + 14055.

It is an arithmetic number, because the mean of its divisors is an integer number (1904420).

Almost surely, 2^18089084 is an apocalyptic number.

It is an amenable number.

18089084 is a deficient number, since it is larger than the sum of its proper divisors (16190476).

18089084 is a wasteful number, since it uses less digits than its factorization.

18089084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26789 (or 26774 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 18089084 is about 4253.1263795001. The cubic root of 18089084 is about 262.5057728133.

The spelling of 18089084 in words is "eighteen million, eighty-nine thousand, eighty-four".