It is a nialpdrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 869120.
It is an unprimeable number.
2869120 is an apocalyptic number.
869120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 869120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
869120 is an equidigital number, since it uses as much as digits as its factorization.
869120 is an evil number, because the sum of its binary digits is even.
The square root of 869120 is about 932.2660564453. The cubic root of 869120 is about 95.4318291302.
The spelling of 869120 in words is "eight hundred sixty-nine thousand, one hundred twenty".