564447 has 16 divisors (see below), whose sum is σ = 832608. Its totient is φ = 337920.

The previous prime is 564437. The next prime is 564449. The reversal of 564447 is 744465.

It is not a de Polignac number, because 564447 - 2⁸ = 564191 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1423 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (52038).

2⁵⁶⁴⁴⁴⁷ is an apocalyptic number.

564447 is a deficient number, since it is larger than the sum of its proper divisors (268161).

564447 is a wasteful number, since it uses less digits than its factorization.

564447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410.

The product of its digits is 13440, while the sum is 30.

The square root of 564447 is about 751.2968787370. The cubic root of 564447 is about 82.6433138019.

The spelling of 564447 in words is "five hundred sixty-four thousand, four hundred forty-seven".