562856 has 48 divisors (see below), whose sum is σ = 1327200. Its totient is φ = 218592.

The previous prime is 562841. The next prime is 562871. The reversal of 562856 is 658265.

562856 = 70² + 71² + ... + 126².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (562841) and next prime (562871).

It is an Ulam number.

It is an unprimeable number.

562856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24461 + ... + 24483.

It is an arithmetic number, because the mean of its divisors is an integer number (27650).

2⁵⁶²⁸⁵⁶ is an apocalyptic number.

562856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 562856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663600).

562856 is an abundant number, since it is smaller than the sum of its proper divisors (764344).

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

562856 is a wasteful number, since it uses less digits than its factorization.

562856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 51 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 562856 is about 750.2372957938. The cubic root of 562856 is about 82.5655921587.

The spelling of 562856 in words is "five hundred sixty-two thousand, eight hundred fifty-six".