869800 has 24 divisors (see below), whose sum is σ = 2022750. Its totient is φ = 347840.

The previous prime is 869779. The next prime is 869807. The reversal of 869800 is 8968.

It can be written as a sum of positive squares in 3 ways, for example, as 376996 + 492804 = 614^2 + 702^2 .

It is not an unprimeable number, because it can be changed into a prime (869807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1975 + ... + 2374.

2⁸⁶⁹⁸⁰⁰ is an apocalyptic number.

It is an amenable number.

869800 is an abundant number, since it is smaller than the sum of its proper divisors (1152950).

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

869800 is a wasteful number, since it uses less digits than its factorization.

869800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365 (or 4356 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 869800 is about 932.6306878931. The cubic root of 869800 is about 95.4567112819.

The spelling of 869800 in words is "eight hundred sixty-nine thousand, eight hundred".