556470 has 48 divisors (see below), whose sum is σ = 1506960. Its totient is φ = 147744.

The previous prime is 556459. The next prime is 556477. The reversal of 556470 is 74655.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2316 + ... + 2544.

It is an arithmetic number, because the mean of its divisors is an integer number (31395).

2⁵⁵⁶⁴⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753480).

556470 is an abundant number, since it is smaller than the sum of its proper divisors (950490).

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

556470 is a wasteful number, since it uses less digits than its factorization.

556470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 556470 is about 745.9691682637. The cubic root of 556470 is about 82.2521486983.

The spelling of 556470 in words is "five hundred fifty-six thousand, four hundred seventy".