18298968 has 32 divisors (see below), whose sum is σ = 46526400. Its totient is φ = 5995808.

The previous prime is 18298937. The next prime is 18298981. The reversal of 18298968 is 86989281.

It is a self number, because there is not a number n which added to its sum of digits gives 18298968.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5046 + ... + 7877.

It is an arithmetic number, because the mean of its divisors is an integer number (1453950).

Almost surely, 2^18298968 is an apocalyptic number.

It is an amenable number.

18298968 is an abundant number, since it is smaller than the sum of its proper divisors (28227432).

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

18298968 is a wasteful number, since it uses less digits than its factorization.

18298968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12991 (or 12987 counting only the distinct ones).

The product of its digits is 497664, while the sum is 51.

The square root of 18298968 is about 4277.7293041987. The cubic root of 18298968 is about 263.5171384950.

The spelling of 18298968 in words is "eighteen million, two hundred ninety-eight thousand, nine hundred sixty-eight".