966565 has 8 divisors (see below), whose sum is σ = 1175040. Its totient is φ = 763152.

The previous prime is 966557. The next prime is 966583. The reversal of 966565 is 565669.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 966565 - 2³ = 966557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (146880).

2⁹⁶⁶⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

966565 is a deficient number, since it is larger than the sum of its proper divisors (208475).

966565 is a wasteful number, since it uses less digits than its factorization.

966565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531.

The product of its digits is 48600, while the sum is 37.

The square root of 966565 is about 983.1403765485. The cubic root of 966565 is about 98.8728429033.

It can be divided in two parts, 9665 and 65, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 966565 in words is "nine hundred sixty-six thousand, five hundred sixty-five".