18830198 has 8 divisors (see below), whose sum is σ = 28263720. Its totient is φ = 9408960.

The previous prime is 18830179. The next prime is 18830209. The reversal of 18830198 is 89103881.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4358 + ... + 7526.

It is an arithmetic number, because the mean of its divisors is an integer number (3532965).

Almost surely, 2^18830198 is an apocalyptic number.

18830198 is a deficient number, since it is larger than the sum of its proper divisors (9433522).

18830198 is a wasteful number, since it uses less digits than its factorization.

18830198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 18830198 is about 4339.3776051411. The cubic root of 18830198 is about 266.0428728453.

The spelling of 18830198 in words is "eighteen million, eight hundred thirty thousand, one hundred ninety-eight".