556860 has 24 divisors (see below), whose sum is σ = 1559376. Its totient is φ = 148480.

The previous prime is 556859. The next prime is 556861. The reversal of 556860 is 68655.

It is an interprime number because it is at equal distance from previous prime (556859) and next prime (556861).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556861) 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, 4581 + ... + 4700.

It is an arithmetic number, because the mean of its divisors is an integer number (64974).

2⁵⁵⁶⁸⁶⁰ is an apocalyptic number.

It is an amenable number.

556860 is an abundant number, since it is smaller than the sum of its proper divisors (1002516).

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

556860 is a wasteful number, since it uses less digits than its factorization.

556860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9293 (or 9291 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 556860 is about 746.2305273841. The cubic root of 556860 is about 82.2713595854.

It can be divided in two parts, 5 and 56860, that added together give a palindrome (56865).

The spelling of 556860 in words is "five hundred fifty-six thousand, eight hundred sixty".