957865 has 16 divisors (see below), whose sum is σ = 1244160. Its totient is φ = 705280.

The previous prime is 957851. The next prime is 957871. The reversal of 957865 is 568759.

It is a happy number.

It is not a de Polignac number, because 957865 - 2¹³ = 949673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4920 + ... + 5110.

It is an arithmetic number, because the mean of its divisors is an integer number (77760).

2⁹⁵⁷⁸⁶⁵ is an apocalyptic number.

It is an amenable number.

957865 is a deficient number, since it is larger than the sum of its proper divisors (286295).

957865 is a wasteful number, since it uses less digits than its factorization.

957865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its digits is 75600, while the sum is 40.

The square root of 957865 is about 978.7057780559. The cubic root of 957865 is about 98.5752986548.

The spelling of 957865 in words is "nine hundred fifty-seven thousand, eight hundred sixty-five".