564867 has 8 divisors (see below), whose sum is σ = 836880. Its totient is φ = 376560.

The previous prime is 564827. The next prime is 564871. The reversal of 564867 is 768465.

It is a happy number.

564867 is a `hidden beast` number, since 5 + 648 + 6 + 7 = 666.

It is not a de Polignac number, because 564867 - 2¹² = 560771 is a prime.

564867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (564827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10434 + ... + 10487.

It is an arithmetic number, because the mean of its divisors is an integer number (104610).

2⁵⁶⁴⁸⁶⁷ is an apocalyptic number.

564867 is a deficient number, since it is larger than the sum of its proper divisors (272013).

564867 is a wasteful number, since it uses less digits than its factorization.

564867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20930 (or 20924 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 564867 is about 751.5763434276. The cubic root of 564867 is about 82.6638067718.

It can be divided in two parts, 564 and 867, that added together give a triangular number (1431 = T₅₃).

The spelling of 564867 in words is "five hundred sixty-four thousand, eight hundred sixty-seven".