564949 has 24 divisors (see below), whose sum is σ = 766080. Its totient is φ = 406560.

The previous prime is 564937. The next prime is 564959. The reversal of 564949 is 949465.

It is not a de Polignac number, because 564949 - 2⁵ = 564917 is a prime.

It is a d-powerful number, because it can be written as 5 + 6 + 9³ + 4⁷ + 4⁷ + 9⁶ .

Its product of digits (38880) is a multiple of the sum of its prime factors (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19467 + ... + 19495.

It is an arithmetic number, because the mean of its divisors is an integer number (31920).

2⁵⁶⁴⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

564949 is a deficient number, since it is larger than the sum of its proper divisors (201131).

564949 is a wasteful number, since it uses less digits than its factorization.

564949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 70 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 564949 is about 751.6308934577. The cubic root of 564949 is about 82.6678065949.

It can be divided in two parts, 56 and 4949, that added together give a palindrome (5005).

The spelling of 564949 in words is "five hundred sixty-four thousand, nine hundred forty-nine".