18853808 has 10 divisors (see below), whose sum is σ = 36529284. Its totient is φ = 9426896.

The previous prime is 18853781. The next prime is 18853811. The reversal of 18853808 is 80835881.

It is a happy number.

It is a super-2 number, since 2×18853808² = 710932152201728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589166 + ... + 589197.

Almost surely, 2^18853808 is an apocalyptic number.

It is an amenable number.

18853808 is a deficient number, since it is larger than the sum of its proper divisors (17675476).

18853808 is a wasteful number, since it uses less digits than its factorization.

18853808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178371 (or 1178365 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 18853808 is about 4342.0971891472. The cubic root of 18853808 is about 266.1540178764.

The spelling of 18853808 in words is "eighteen million, eight hundred fifty-three thousand, eight hundred eight".