957666 has 16 divisors (see below), whose sum is σ = 1927584. Its totient is φ = 317184.

The previous prime is 957659. The next prime is 957701. The reversal of 957666 is 666759.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 957666.

It is an unprimeable number.

957666 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 745 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (120474).

2⁹⁵⁷⁶⁶⁶ is an apocalyptic number.

957666 is an abundant number, since it is smaller than the sum of its proper divisors (969918).

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

957666 is a wasteful number, since it uses less digits than its factorization.

957666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025.

The product of its digits is 68040, while the sum is 39.

The square root of 957666 is about 978.6041079006. The cubic root of 957666 is about 98.5684717209.

It can be divided in two parts, 9 and 57666, that added together give a palindrome (57675).

The spelling of 957666 in words is "nine hundred fifty-seven thousand, six hundred sixty-six".