564394 has 8 divisors (see below), whose sum is σ = 861120. Its totient is φ = 277356.

The previous prime is 564391. The next prime is 564401. The reversal of 564394 is 493465.

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 (564391) 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, 2274 + ... + 2509.

It is an arithmetic number, because the mean of its divisors is an integer number (107640).

2⁵⁶⁴³⁹⁴ is an apocalyptic number.

564394 is a deficient number, since it is larger than the sum of its proper divisors (296726).

564394 is a wasteful number, since it uses less digits than its factorization.

564394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844.

The product of its digits is 12960, while the sum is 31.

The square root of 564394 is about 751.2616055676. The cubic root of 564394 is about 82.6407270620.

The spelling of 564394 in words is "five hundred sixty-four thousand, three hundred ninety-four".