18088494 has 32 divisors (see below), whose sum is σ = 38482560. Its totient is φ = 5652000.

The previous prime is 18088429. The next prime is 18088501. The reversal of 18088494 is 49488081.

It is a Curzon number.

It is a congruent 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, 10729 + ... + 12299.

It is an arithmetic number, because the mean of its divisors is an integer number (1202580).

Almost surely, 2^18088494 is an apocalyptic number.

18088494 is an abundant number, since it is smaller than the sum of its proper divisors (20394066).

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

18088494 is a wasteful number, since it uses less digits than its factorization.

18088494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 18088494 is about 4253.0570181929. The cubic root of 18088494 is about 262.5029187884.

The spelling of 18088494 in words is "eighteen million, eighty-eight thousand, four hundred ninety-four".