18676898 has 8 divisors (see below), whose sum is σ = 28052892. Its totient is φ = 9325936.

The previous prime is 18676883. The next prime is 18676951. The reversal of 18676898 is 89867681.

It can be written as a sum of positive squares in 2 ways, for example, as 16265089 + 2411809 = 4033^2 + 1553^2 .

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

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, 4265 + ... + 7452.

Almost surely, 2^18676898 is an apocalyptic number.

18676898 is a deficient number, since it is larger than the sum of its proper divisors (9375994).

18676898 is a wasteful number, since it uses less digits than its factorization.

18676898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12516.

The product of its digits is 1161216, while the sum is 53.

The square root of 18676898 is about 4321.6776834928. The cubic root of 18676898 is about 265.3189372227.

The spelling of 18676898 in words is "eighteen million, six hundred seventy-six thousand, eight hundred ninety-eight".