567640 has 32 divisors (see below), whose sum is σ = 1334880. Its totient is φ = 216832.

The previous prime is 567631. The next prime is 567649. The reversal of 567640 is 46765.

It is an interprime number because it is at equal distance from previous prime (567631) and next prime (567649).

It is a junction number, because it is equal to n+sod(n) for n = 567599 and 567608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (567649) 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, 612 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (41715).

2⁵⁶⁷⁶⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 567640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667440).

567640 is an abundant number, since it is smaller than the sum of its proper divisors (767240).

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

567640 is a wasteful number, since it uses less digits than its factorization.

567640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 567640 is about 753.4188741995. The cubic root of 567640 is about 82.7988548777.

The spelling of 567640 in words is "five hundred sixty-seven thousand, six hundred forty".