956609 has 4 divisors (see below), whose sum is σ = 959700. Its totient is φ = 953520.

The previous prime is 956587. The next prime is 956617. The reversal of 956609 is 906659.

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

It can be written as a sum of positive squares in 2 ways, for example, as 494209 + 462400 = 703^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 956609 - 2⁸ = 956353 is a prime.

It is an Ulam 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, 1022 + ... + 1719.

It is an arithmetic number, because the mean of its divisors is an integer number (239925).

2⁹⁵⁶⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

956609 is a deficient number, since it is larger than the sum of its proper divisors (3091).

956609 is a wasteful number, since it uses less digits than its factorization.

956609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 956609 is about 978.0639038427. The cubic root of 956609 is about 98.5321942055.

The spelling of 956609 in words is "nine hundred fifty-six thousand, six hundred nine".