956659 has 4 divisors (see below), whose sum is σ = 1043640. Its totient is φ = 869680.

The previous prime is 956633. The next prime is 956689.

956659 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 956659 - 2⁹ = 956147 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (956689) 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, 43474 + ... + 43495.

It is an arithmetic number, because the mean of its divisors is an integer number (260910).

2⁹⁵⁶⁶⁵⁹ is an apocalyptic number.

956659 is a deficient number, since it is larger than the sum of its proper divisors (86981).

956659 is a wasteful number, since it uses less digits than its factorization.

956659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86980.

The product of its digits is 72900, while the sum is 40.

The square root of 956659 is about 978.0894642107. The cubic root of 956659 is about 98.5339108678.

The spelling of 956659 in words is "nine hundred fifty-six thousand, six hundred fifty-nine".