18674498 has 4 divisors (see below), whose sum is σ = 28011750. Its totient is φ = 9337248.

The previous prime is 18674489. The next prime is 18674501. The reversal of 18674498 is 89447681.

18674498 is nontrivially palindromic in base 7.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11950849 + 6723649 = 3457^2 + 2593^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4668623 + ... + 4668626.

Almost surely, 2^18674498 is an apocalyptic number.

18674498 is a deficient number, since it is larger than the sum of its proper divisors (9337252).

18674498 is an equidigital number, since it uses as much as digits as its factorization.

18674498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9337251.

The product of its digits is 387072, while the sum is 47.

The square root of 18674498 is about 4321.4000046281. The cubic root of 18674498 is about 265.3075721533.

The spelling of 18674498 in words is "eighteen million, six hundred seventy-four thousand, four hundred ninety-eight".