916565 has 16 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 662592.

The previous prime is 916561. The next prime is 916571. The reversal of 916565 is 565619.

It is a cyclic number.

It is not a de Polignac number, because 916565 - 2² = 916561 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916561) 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 15 ways as a sum of consecutive naturals, for example, 3716 + ... + 3954.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2⁹¹⁶⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

916565 is a deficient number, since it is larger than the sum of its proper divisors (293035).

916565 is a wasteful number, since it uses less digits than its factorization.

916565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its digits is 8100, while the sum is 32.

The square root of 916565 is about 957.3740125990. The cubic root of 916565 is about 97.1376866378.

The spelling of 916565 in words is "nine hundred sixteen thousand, five hundred sixty-five".