18025798 has 32 divisors (see below), whose sum is σ = 31852800. Its totient is φ = 7491744.

The previous prime is 18025789. The next prime is 18025823. The reversal of 18025798 is 89752081.

It is a self number, because there is not a number n which added to its sum of digits gives 18025798.

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, 114736 + ... + 114892.

It is an arithmetic number, because the mean of its divisors is an integer number (995400).

Almost surely, 2^18025798 is an apocalyptic number.

18025798 is a deficient number, since it is larger than the sum of its proper divisors (13827002).

18025798 is a wasteful number, since it uses less digits than its factorization.

18025798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 18025798 is about 4245.6799219913. The cubic root of 18025798 is about 262.1992831472.

The spelling of 18025798 in words is "eighteen million, twenty-five thousand, seven hundred ninety-eight".