825798 has 8 divisors (see below), whose sum is σ = 1651608. Its totient is φ = 275264.

The previous prime is 825791. The next prime is 825821. The reversal of 825798 is 897528.

825798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

825798 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 825798.

It is not an unprimeable number, because it can be changed into a prime (825791) by changing a digit.

825798 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68811 + ... + 68822.

It is an arithmetic number, because the mean of its divisors is an integer number (206451).

2⁸²⁵⁷⁹⁸ is an apocalyptic number.

825798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

825798 is a wasteful number, since it uses less digits than its factorization.

825798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137638.

The product of its digits is 40320, while the sum is 39.

The square root of 825798 is about 908.7342845959. The cubic root of 825798 is about 93.8191028298.

The spelling of 825798 in words is "eight hundred twenty-five thousand, seven hundred ninety-eight".