850724 has 24 divisors (see below), whose sum is σ = 1776768. Its totient is φ = 348480.

The previous prime is 850711. The next prime is 850727. The reversal of 850724 is 427058.

It is a junction number, because it is equal to n+sod(n) for n = 850693 and 850702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (74032).

2⁸⁵⁰⁷²⁴ 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 850724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888384).

850724 is an abundant number, since it is smaller than the sum of its proper divisors (926044).

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

850724 is a wasteful number, since it uses less digits than its factorization.

850724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 850724 is about 922.3470062834. The cubic root of 850724 is about 94.7537110745.

The spelling of 850724 in words is "eight hundred fifty thousand, seven hundred twenty-four".