18076808 has 8 divisors (see below), whose sum is σ = 33894030. Its totient is φ = 9038400.

The previous prime is 18076789. The next prime is 18076837. The reversal of 18076808 is 80867081.

It can be written as a sum of positive squares in only one way, i.e., 13675204 + 4401604 = 3698^2 + 2098^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129793 + ... + 1129808.

Almost surely, 2^18076808 is an apocalyptic number.

It is an amenable number.

18076808 is a deficient number, since it is larger than the sum of its proper divisors (15817222).

18076808 is a wasteful number, since it uses less digits than its factorization.

18076808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259607 (or 2259603 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 18076808 is about 4251.6829608991. The cubic root of 18076808 is about 262.4463769530.

The spelling of 18076808 in words is "eighteen million, seventy-six thousand, eight hundred eight".