816799932 has 72 divisors (see below), whose sum is σ = 2235278864. Its totient is φ = 249993216.

The previous prime is 816799931. The next prime is 816799937. The reversal of 816799932 is 239997618.

816799932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816799931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85803 + ... + 94845.

Almost surely, 2^816799932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 816799932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117639432).

816799932 is an abundant number, since it is smaller than the sum of its proper divisors (1418478932).

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

816799932 is a wasteful number, since it uses less digits than its factorization.

816799932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259 (or 9254 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 816799932 is about 28579.7118949789. The cubic root of 816799932 is about 934.7710009499.

The spelling of 816799932 in words is "eight hundred sixteen million, seven hundred ninety-nine thousand, nine hundred thirty-two".