968813 has 4 divisors (see below), whose sum is σ = 1025820. Its totient is φ = 911808.

The previous prime is 968809. The next prime is 968819. The reversal of 968813 is 318869.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 318869 = 17 ⋅18757.

It can be written as a sum of positive squares in 2 ways, for example, as 806404 + 162409 = 898^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 968813 - 2² = 968809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968819) 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 3 ways as a sum of consecutive naturals, for example, 28478 + ... + 28511.

It is an arithmetic number, because the mean of its divisors is an integer number (256455).

2⁹⁶⁸⁸¹³ is an apocalyptic number.

It is an amenable number.

968813 is a deficient number, since it is larger than the sum of its proper divisors (57007).

968813 is a wasteful number, since it uses less digits than its factorization.

968813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57006.

The product of its digits is 10368, while the sum is 35.

The square root of 968813 is about 984.2829877632. The cubic root of 968813 is about 98.9494351174.

The spelling of 968813 in words is "nine hundred sixty-eight thousand, eight hundred thirteen".