564994 has 8 divisors (see below), whose sum is σ = 856188. Its totient is φ = 279600.

The previous prime is 564989. The next prime is 564997. The reversal of 564994 is 499465.

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 93025 = 687^2 + 305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (564997) 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, 1197 + ... + 1600.

2⁵⁶⁴⁹⁹⁴ is an apocalyptic number.

564994 is a deficient number, since it is larger than the sum of its proper divisors (291194).

564994 is a wasteful number, since it uses less digits than its factorization.

564994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900.

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

The square root of 564994 is about 751.6608277674. The cubic root of 564994 is about 82.6700014553.

It can be divided in two parts, 56 and 4994, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 564994 in words is "five hundred sixty-four thousand, nine hundred ninety-four".