968809 has 2 divisors, whose sum is σ = 968810. Its totient is φ = 968808.

The previous prime is 968801. The next prime is 968819. The reversal of 968809 is 908869.

It is a happy number.

968809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 944784 + 24025 = 972^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 968809 - 2³ = 968801 is a prime.

It is not a weakly prime, because it can be changed into another prime (968801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484404 + 484405.

It is an arithmetic number, because the mean of its divisors is an integer number (484405).

2⁹⁶⁸⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

968809 is a deficient number, since it is larger than the sum of its proper divisors (1).

968809 is an equidigital number, since it uses as much as digits as its factorization.

968809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 968809 is about 984.2809558251. The cubic root of 968809 is about 98.9492989376.

The spelling of 968809 in words is "nine hundred sixty-eight thousand, eight hundred nine".