18486316 has 24 divisors (see below), whose sum is σ = 34496000. Its totient is φ = 8643024.

The previous prime is 18486289. The next prime is 18486329. The reversal of 18486316 is 61368481.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4465 + ... + 7543.

Almost surely, 2^18486316 is an apocalyptic number.

It is an amenable number.

18486316 is a deficient number, since it is larger than the sum of its proper divisors (16009684).

18486316 is a wasteful number, since it uses less digits than its factorization.

18486316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181 (or 3179 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 18486316 is about 4299.5716065673. The cubic root of 18486316 is about 264.4133980819.

The spelling of 18486316 in words is "eighteen million, four hundred eighty-six thousand, three hundred sixteen".