968939 has 2 divisors, whose sum is σ = 968940. Its totient is φ = 968938.

The previous prime is 968917. The next prime is 968959. The reversal of 968939 is 939869.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 968939 - 2¹⁶ = 903403 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 968939.

It is not a weakly prime, because it can be changed into another prime (968909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484469 + 484470.

It is an arithmetic number, because the mean of its divisors is an integer number (484470).

2⁹⁶⁸⁹³⁹ is an apocalyptic number.

968939 is a deficient number, since it is larger than the sum of its proper divisors (1).

968939 is an equidigital number, since it uses as much as digits as its factorization.

968939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 44.

The square root of 968939 is about 984.3469916650. The cubic root of 968939 is about 98.9537245893.

The spelling of 968939 in words is "nine hundred sixty-eight thousand, nine hundred thirty-nine".