816344850 has 48 divisors (see below), whose sum is σ = 2073929760. Its totient is φ = 212380800.

The previous prime is 816344831. The next prime is 816344939. The reversal of 816344850 is 58443618.

It is a junction number, because it is equal to n+sod(n) for n = 816344799 and 816344808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60220 + ... + 72519.

It is an arithmetic number, because the mean of its divisors is an integer number (43206870).

Almost surely, 2^816344850 is an apocalyptic number.

816344850 is an abundant number, since it is smaller than the sum of its proper divisors (1257584910).

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

816344850 is a wasteful number, since it uses less digits than its factorization.

816344850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132795 (or 132790 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 816344850 is about 28571.7491589157. The cubic root of 816344850 is about 934.5973654127.

The spelling of 816344850 in words is "eight hundred sixteen million, three hundred forty-four thousand, eight hundred fifty".