959857 has 4 divisors (see below), whose sum is σ = 969280. Its totient is φ = 950436.

The previous prime is 959831. The next prime is 959863. The reversal of 959857 is 758959.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 758959 = 29 ⋅26171.

It is a cyclic number.

It is not a de Polignac number, because 959857 - 2¹⁵ = 927089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (959867) 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 in 3 ways as a sum of consecutive naturals, for example, 4557 + ... + 4762.

It is an arithmetic number, because the mean of its divisors is an integer number (242320).

2⁹⁵⁹⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

959857 is a deficient number, since it is larger than the sum of its proper divisors (9423).

959857 is a wasteful number, since it uses less digits than its factorization.

959857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9422.

The product of its digits is 113400, while the sum is 43.

The square root of 959857 is about 979.7229200136. The cubic root of 959857 is about 98.6435845588.

The spelling of 959857 in words is "nine hundred fifty-nine thousand, eight hundred fifty-seven".