969917 has 4 divisors (see below), whose sum is σ = 1044540. Its totient is φ = 895296.

The previous prime is 969911. The next prime is 969919. The reversal of 969917 is 719969.

It is a happy number.

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 586756 + 383161 = 766^2 + 619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-969917 is a prime.

It is a Duffinian 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 969917.

It is not an unprimeable number, because it can be changed into a prime (969911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37292 + ... + 37317.

It is an arithmetic number, because the mean of its divisors is an integer number (261135).

2⁹⁶⁹⁹¹⁷ is an apocalyptic number.

It is an amenable number.

969917 is a deficient number, since it is larger than the sum of its proper divisors (74623).

969917 is a wasteful number, since it uses less digits than its factorization.

969917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74622.

The product of its digits is 30618, while the sum is 41.

The square root of 969917 is about 984.8436424123. The cubic root of 969917 is about 98.9870064231.

The spelling of 969917 in words is "nine hundred sixty-nine thousand, nine hundred seventeen".