819798232 has 48 divisors (see below), whose sum is σ = 1699261200. Its totient is φ = 370497600.

The previous prime is 819798209. The next prime is 819798253. The reversal of 819798232 is 232897918.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 172869 + ... + 177547.

It is an arithmetic number, because the mean of its divisors is an integer number (35401275).

Almost surely, 2^819798232 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 819798232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (849630600).

819798232 is an abundant number, since it is smaller than the sum of its proper divisors (879462968).

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

819798232 is a wasteful number, since it uses less digits than its factorization.

819798232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888 (or 4873 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 819798232 is about 28632.1188877107. The cubic root of 819798232 is about 935.9133865601.

The spelling of 819798232 in words is "eight hundred nineteen million, seven hundred ninety-eight thousand, two hundred thirty-two".