956009 has 4 divisors (see below), whose sum is σ = 986880. Its totient is φ = 925140.

The previous prime is 956003. The next prime is 956051. The reversal of 956009 is 900659.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 956009 - 2⁴ = 955993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (956003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15389 + ... + 15450.

It is an arithmetic number, because the mean of its divisors is an integer number (246720).

2⁹⁵⁶⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

956009 is a deficient number, since it is larger than the sum of its proper divisors (30871).

956009 is a wasteful number, since it uses less digits than its factorization.

956009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30870.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 956009 is about 977.7571273072. The cubic root of 956009 is about 98.5115895903.

The spelling of 956009 in words is "nine hundred fifty-six thousand, nine".