18749298 has 8 divisors (see below), whose sum is σ = 37498608. Its totient is φ = 6249764.

The previous prime is 18749281. The next prime is 18749309. The reversal of 18749298 is 89294781.

It is a sphenic number, since it is the product of 3 distinct primes.

18749298 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1562436 + ... + 1562447.

It is an arithmetic number, because the mean of its divisors is an integer number (4687326).

Almost surely, 2^18749298 is an apocalyptic number.

18749298 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18749298 is a wasteful number, since it uses less digits than its factorization.

18749298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124888.

The product of its digits is 290304, while the sum is 48.

The square root of 18749298 is about 4330.0459581857. The cubic root of 18749298 is about 265.6613267595.

The spelling of 18749298 in words is "eighteen million, seven hundred forty-nine thousand, two hundred ninety-eight".