564140 has 24 divisors (see below), whose sum is σ = 1205232. Its totient is φ = 221760.

The previous prime is 564133. The next prime is 564149. The reversal of 564140 is 41465.

It is a happy number.

564140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564149) 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, 1130 + ... + 1550.

It is an arithmetic number, because the mean of its divisors is an integer number (50218).

2⁵⁶⁴¹⁴⁰ is an apocalyptic number.

It is an amenable number.

564140 is an abundant number, since it is smaller than the sum of its proper divisors (641092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564140 is a wasteful number, since it uses less digits than its factorization.

564140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 564140 is about 751.0925375744. The cubic root of 564140 is about 82.6283279848.

The spelling of 564140 in words is "five hundred sixty-four thousand, one hundred forty".