564494 has 16 divisors (see below), whose sum is σ = 985056. Its totient is φ = 237600.

The previous prime is 564491. The next prime is 564497. The reversal of 564494 is 494465.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (564491) and next prime (564497).

It is a d-powerful number, because it can be written as 5 + 6³ + 4³ + 4⁷ + 9⁶ + 4⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 564494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564491) 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, 524 + ... + 1184.

It is an arithmetic number, because the mean of its divisors is an integer number (61566).

2⁵⁶⁴⁴⁹⁴ is an apocalyptic number.

564494 is a deficient number, since it is larger than the sum of its proper divisors (420562).

564494 is a wasteful number, since it uses less digits than its factorization.

564494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its digits is 17280, while the sum is 32.

The square root of 564494 is about 751.3281573321. The cubic root of 564494 is about 82.6456075678.

The spelling of 564494 in words is "five hundred sixty-four thousand, four hundred ninety-four".