847320 has 64 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 215424.

The previous prime is 847309. The next prime is 847321. The reversal of 847320 is 23748.

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

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 847320.

It is not an unprimeable number, because it can be changed into a prime (847321) 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, 2607 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (41580).

2⁸⁴⁷³²⁰ is an apocalyptic number.

It is a pronic number, being equal to 920×921.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 847320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330560).

847320 is an abundant number, since it is smaller than the sum of its proper divisors (1813800).

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

847320 is a wasteful number, since it uses less digits than its factorization.

847320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 340 counting only the distinct ones).

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

The square root of 847320 is about 920.4998642042. The cubic root of 847320 is about 94.6271628691.

The spelling of 847320 in words is "eight hundred forty-seven thousand, three hundred twenty".