18340682 has 4 divisors (see below), whose sum is σ = 27511026. Its totient is φ = 9170340.

The previous prime is 18340639. The next prime is 18340709. The reversal of 18340682 is 28604381.

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., 18139081 + 201601 = 4259^2 + 449^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4585169 + ... + 4585172.

Almost surely, 2^18340682 is an apocalyptic number.

18340682 is a deficient number, since it is larger than the sum of its proper divisors (9170344).

18340682 is an equidigital number, since it uses as much as digits as its factorization.

18340682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170343.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 18340682 is about 4282.6022462984. The cubic root of 18340682 is about 263.7172228535.

The spelling of 18340682 in words is "eighteen million, three hundred forty thousand, six hundred eighty-two".