847313 has 4 divisors (see below), whose sum is σ = 849828. Its totient is φ = 844800.

The previous prime is 847309. The next prime is 847321. The reversal of 847313 is 313748.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 394384 + 452929 = 628^2 + 673^2 .

It is a cyclic number.

It is not a de Polignac number, because 847313 - 2² = 847309 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 847313.

It is not an unprimeable number, because it can be changed into a prime (847373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656 + ... + 1457.

It is an arithmetic number, because the mean of its divisors is an integer number (212457).

2⁸⁴⁷³¹³ is an apocalyptic number.

It is an amenable number.

847313 is a deficient number, since it is larger than the sum of its proper divisors (2515).

847313 is a wasteful number, since it uses less digits than its factorization.

847313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514.

The product of its digits is 2016, while the sum is 26.

The square root of 847313 is about 920.4960619144. The cubic root of 847313 is about 94.6269022860.

The spelling of 847313 in words is "eight hundred forty-seven thousand, three hundred thirteen".