869124 has 48 divisors (see below), whose sum is σ = 2193408. Its totient is φ = 267168.

The previous prime is 869119. The next prime is 869131. The reversal of 869124 is 421968.

Its product of digits (3456) is a multiple of the sum of its prime factors (144).

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 869091 and 869100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12939 + ... + 13005.

It is an arithmetic number, because the mean of its divisors is an integer number (45696).

2⁸⁶⁹¹²⁴ 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 869124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096704).

869124 is an abundant number, since it is smaller than the sum of its proper divisors (1324284).

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

869124 is a wasteful number, since it uses less digits than its factorization.

869124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 142 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 869124 is about 932.2682017531. The cubic root of 869124 is about 95.4319755338.

The spelling of 869124 in words is "eight hundred sixty-nine thousand, one hundred twenty-four".