873240 has 64 divisors (see below), whose sum is σ = 2764800. Its totient is φ = 220032.

The previous prime is 873209. The next prime is 873247. The reversal of 873240 is 42378.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 873240.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873240.

It is not an unprimeable number, because it can be changed into a prime (873247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2089 + ... + 2471.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2⁸⁷³²⁴⁰ 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 873240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382400).

873240 is an abundant number, since it is smaller than the sum of its proper divisors (1891560).

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

873240 is a wasteful number, since it uses less digits than its factorization.

873240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 873240 is about 934.4731135779. The cubic root of 873240 is about 95.5823873531.

The spelling of 873240 in words is "eight hundred seventy-three thousand, two hundred forty".