18341808 has 40 divisors (see below), whose sum is σ = 47633856. Its totient is φ = 6081600.

The previous prime is 18341789. The next prime is 18341831. The reversal of 18341808 is 80814381.

It is a happy number.

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, 9223 + ... + 11033.

Almost surely, 2^18341808 is an apocalyptic number.

It is an amenable number.

18341808 is an abundant number, since it is smaller than the sum of its proper divisors (29292048).

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

18341808 is a wasteful number, since it uses less digits than its factorization.

18341808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 18341808 is about 4282.7337064076. The cubic root of 18341808 is about 263.7226195905.

The spelling of 18341808 in words is "eighteen million, three hundred forty-one thousand, eight hundred eight".