18808682 has 4 divisors (see below), whose sum is σ = 28213026. Its totient is φ = 9404340.

The previous prime is 18808667. The next prime is 18808697. The reversal of 18808682 is 28680881.

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

It is an interprime number because it is at equal distance from previous prime (18808667) and next prime (18808697).

It can be written as a sum of positive squares in only one way, i.e., 18671041 + 137641 = 4321^2 + 371^2 .

It is a super-4 number, since 4×18808682⁴ (a number of 30 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4702169 + ... + 4702172.

Almost surely, 2^18808682 is an apocalyptic number.

18808682 is a deficient number, since it is larger than the sum of its proper divisors (9404344).

18808682 is an equidigital number, since it uses as much as digits as its factorization.

18808682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9404343.

The product of its (nonzero) digits is 49152, while the sum is 41.

The square root of 18808682 is about 4336.8977391679. The cubic root of 18808682 is about 265.9415044645.

The spelling of 18808682 in words is "eighteen million, eight hundred eight thousand, six hundred eighty-two".