797850 has 60 divisors (see below), whose sum is σ = 2228094. Its totient is φ = 211680.

The previous prime is 797833. The next prime is 797851. The reversal of 797850 is 58797.

It can be written as a sum of positive squares in 3 ways, for example, as 762129 + 35721 = 873^2 + 189^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (797851) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3952 + ... + 4148.

2⁷⁹⁷⁸⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 797850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1114047).

797850 is an abundant number, since it is smaller than the sum of its proper divisors (1430244).

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

797850 is a wasteful number, since it uses less digits than its factorization.

797850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 797850 is about 893.2244958576. The cubic root of 797850 is about 92.7485402618.

The spelling of 797850 in words is "seven hundred ninety-seven thousand, eight hundred fifty".