564847 has 4 divisors (see below), whose sum is σ = 567736. Its totient is φ = 561960.

The previous prime is 564827. The next prime is 564871. The reversal of 564847 is 748465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 564847 - 2¹⁹ = 40559 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1128 + ... + 1549.

It is an arithmetic number, because the mean of its divisors is an integer number (141934).

2⁵⁶⁴⁸⁴⁷ is an apocalyptic number.

564847 is a deficient number, since it is larger than the sum of its proper divisors (2889).

564847 is a wasteful number, since it uses less digits than its factorization.

564847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888.

The product of its digits is 26880, while the sum is 34.

The square root of 564847 is about 751.5630379416. The cubic root of 564847 is about 82.6628311465.

The spelling of 564847 in words is "five hundred sixty-four thousand, eight hundred forty-seven".