18582008 has 16 divisors (see below), whose sum is σ = 35026560. Its totient is φ = 9241600.

The previous prime is 18582007. The next prime is 18582041. The reversal of 18582008 is 80028581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18582001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4553 + ... + 7608.

It is an arithmetic number, because the mean of its divisors is an integer number (2189160).

Almost surely, 2^18582008 is an apocalyptic number.

It is an amenable number.

18582008 is a deficient number, since it is larger than the sum of its proper divisors (16444552).

18582008 is a wasteful number, since it uses less digits than its factorization.

18582008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12358 (or 12354 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 18582008 is about 4310.6853283440. The cubic root of 18582008 is about 264.8688469318.

The spelling of 18582008 in words is "eighteen million, five hundred eighty-two thousand, eight".