959869 has 2 divisors, whose sum is σ = 959870. Its totient is φ = 959868.

The previous prime is 959867. The next prime is 959873. The reversal of 959869 is 968959.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 131769 = 910^2 + 363^2 .

It is an emirp because it is prime and its reverse (968959) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 959869 - 2¹ = 959867 is a prime.

It is a super-2 number, since 2×959869² = 1842696994322, which contains 22 as substring.

Together with 959867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (959863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479934 + 479935.

It is an arithmetic number, because the mean of its divisors is an integer number (479935).

2⁹⁵⁹⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

959869 is a deficient number, since it is larger than the sum of its proper divisors (1).

959869 is an equidigital number, since it uses as much as digits as its factorization.

959869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 46.

The square root of 959869 is about 979.7290441750. The cubic root of 959869 is about 98.6439956332.

The spelling of 959869 in words is "nine hundred fifty-nine thousand, eight hundred sixty-nine".