18449676 has 54 divisors (see below), whose sum is σ = 54256020. Its totient is φ = 5270832.

The previous prime is 18449663. The next prime is 18449677. The reversal of 18449676 is 67694481.

It is not an unprimeable number, because it can be changed into a prime (18449677) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3466 + ... + 6993.

Almost surely, 2^18449676 is an apocalyptic number.

It is an amenable number.

18449676 is an abundant number, since it is smaller than the sum of its proper divisors (35806344).

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

18449676 is a wasteful number, since it uses less digits than its factorization.

18449676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483 (or 10471 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 18449676 is about 4295.3086035814. The cubic root of 18449676 is about 264.2385928441.

The spelling of 18449676 in words is "eighteen million, four hundred forty-nine thousand, six hundred seventy-six".