968021 has 2 divisors, whose sum is σ = 968022. Its totient is φ = 968020.

The previous prime is 968017. The next prime is 968027. The reversal of 968021 is 120869.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819025 + 148996 = 905^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 968021 - 2² = 968017 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

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 968021.

It is not a weakly prime, because it can be changed into another prime (968027) 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 as a sum of consecutive naturals, namely, 484010 + 484011.

It is an arithmetic number, because the mean of its divisors is an integer number (484011).

2⁹⁶⁸⁰²¹ is an apocalyptic number.

It is an amenable number.

968021 is a deficient number, since it is larger than the sum of its proper divisors (1).

968021 is an equidigital number, since it uses as much as digits as its factorization.

968021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 968021 is about 983.8805821846. The cubic root of 968021 is about 98.9224642030.

The spelling of 968021 in words is "nine hundred sixty-eight thousand, twenty-one".