817352832 has 64 divisors (see below), whose sum is σ = 2203567200. Its totient is φ = 268376064.

The previous prime is 817352831. The next prime is 817352867. The reversal of 817352832 is 238253718.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (817352831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9844 + ... + 41612.

Almost surely, 2^817352832 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 817352832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101783600).

817352832 is an abundant number, since it is smaller than the sum of its proper divisors (1386214368).

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

817352832 is a wasteful number, since it uses less digits than its factorization.

817352832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31853 (or 31841 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 817352832 is about 28589.3832042596. The cubic root of 817352832 is about 934.9818719735.

The spelling of 817352832 in words is "eight hundred seventeen million, three hundred fifty-two thousand, eight hundred thirty-two".