966858 has 16 divisors (see below), whose sum is σ = 2047680. Its totient is φ = 303296.

The previous prime is 966817. The next prime is 966863. The reversal of 966858 is 858669.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4638 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (127980).

2⁹⁶⁶⁸⁵⁸ is an apocalyptic number.

966858 is an abundant number, since it is smaller than the sum of its proper divisors (1080822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

966858 is a wasteful number, since it uses less digits than its factorization.

966858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9501.

The product of its digits is 103680, while the sum is 42.

The square root of 966858 is about 983.2893775486. The cubic root of 966858 is about 98.8828325112.

It can be divided in two parts, 966 and 858, that multiplied together give a palindrome (828828).

The spelling of 966858 in words is "nine hundred sixty-six thousand, eight hundred fifty-eight".