814856336 has 20 divisors (see below), whose sum is σ = 1804324992. Its totient is φ = 349224096.

The previous prime is 814856303. The next prime is 814856347. The reversal of 814856336 is 633658418.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3637640 + ... + 3637863.

Almost surely, 2^814856336 is an apocalyptic number.

It is an amenable number.

814856336 is an abundant number, since it is smaller than the sum of its proper divisors (989468656).

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

814856336 is a wasteful number, since it uses less digits than its factorization.

814856336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275518 (or 7275512 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 814856336 is about 28545.6885711310. The cubic root of 814856336 is about 934.0289750391.

The spelling of 814856336 in words is "eight hundred fourteen million, eight hundred fifty-six thousand, three hundred thirty-six".