566964 has 18 divisors (see below), whose sum is σ = 1433250. Its totient is φ = 188976.

The previous prime is 566963. The next prime is 566971. The reversal of 566964 is 469665.

It is a happy number.

566964 is a `hidden beast` number, since 566 + 96 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 324900 + 242064 = 570^2 + 492^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15749 = 566964 / (5 + 6 + 6 + 9 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7839 + ... + 7910.

It is an arithmetic number, because the mean of its divisors is an integer number (79625).

2⁵⁶⁶⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

566964 is an abundant number, since it is smaller than the sum of its proper divisors (866286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

566964 is a wasteful number, since it uses less digits than its factorization.

566964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15759 (or 15754 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 566964 is about 752.9701189290. The cubic root of 566964 is about 82.7659735565.

The spelling of 566964 in words is "five hundred sixty-six thousand, nine hundred sixty-four".