956689 has 2 divisors, whose sum is σ = 956690. Its totient is φ = 956688.

The previous prime is 956633. The next prime is 956699. The reversal of 956689 is 986659.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 810000 + 146689 = 900^2 + 383^2 .

It is an emirp because it is prime and its reverse (986659) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 956689 - 2⁹ = 956177 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (956699) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478344 + 478345.

It is an arithmetic number, because the mean of its divisors is an integer number (478345).

2⁹⁵⁶⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

956689 is a deficient number, since it is larger than the sum of its proper divisors (1).

956689 is an equidigital number, since it uses as much as digits as its factorization.

956689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 956689 is about 978.1048001109. The cubic root of 956689 is about 98.5349408365.

The spelling of 956689 in words is "nine hundred fifty-six thousand, six hundred eighty-nine".