966857 has 4 divisors (see below), whose sum is σ = 970260. Its totient is φ = 963456.

The previous prime is 966817. The next prime is 966863. The reversal of 966857 is 758669.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 758669 = 29 ⋅26161.

It can be written as a sum of positive squares in 2 ways, for example, as 383161 + 583696 = 619^2 + 764^2 .

It is a cyclic number.

It is not a de Polignac number, because 966857 - 2¹⁴ = 950473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (966817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232 + ... + 1857.

It is an arithmetic number, because the mean of its divisors is an integer number (242565).

2⁹⁶⁶⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

966857 is a deficient number, since it is larger than the sum of its proper divisors (3403).

966857 is a wasteful number, since it uses less digits than its factorization.

966857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402.

The product of its digits is 90720, while the sum is 41.

The square root of 966857 is about 983.2888690512. The cubic root of 966857 is about 98.8827984204.

It can be divided in two parts, 9 and 66857, that added together give a palindrome (66866).

The spelling of 966857 in words is "nine hundred sixty-six thousand, eight hundred fifty-seven".