814009808 has 20 divisors (see below), whose sum is σ = 1578723360. Its totient is φ = 406597344.

The previous prime is 814009783. The next prime is 814009841. The reversal of 814009808 is 808900418.

It is a super-2 number, since 2×814009808² = 1325223935040393728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8660 + ... + 41267.

It is an arithmetic number, because the mean of its divisors is an integer number (78936168).

Almost surely, 2^814009808 is an apocalyptic number.

It is an amenable number.

814009808 is a deficient number, since it is larger than the sum of its proper divisors (764713552).

814009808 is a wasteful number, since it uses less digits than its factorization.

814009808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50954 (or 50948 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 814009808 is about 28530.8571199675. The cubic root of 814009808 is about 933.7054187638.

The spelling of 814009808 in words is "eight hundred fourteen million, nine thousand, eight hundred eight".