556347 has 16 divisors (see below), whose sum is σ = 845568. Its totient is φ = 322080.

The previous prime is 556343. The next prime is 556351. The reversal of 556347 is 743655.

It is an interprime number because it is at equal distance from previous prime (556343) and next prime (556351).

It is not a de Polignac number, because 556347 - 2² = 556343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393 + ... + 1125.

It is an arithmetic number, because the mean of its divisors is an integer number (52848).

2⁵⁵⁶³⁴⁷ is an apocalyptic number.

556347 is a deficient number, since it is larger than the sum of its proper divisors (289221).

556347 is a wasteful number, since it uses less digits than its factorization.

556347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770.

The product of its digits is 12600, while the sum is 30.

The square root of 556347 is about 745.8867206218. The cubic root of 556347 is about 82.2460880183.

It can be divided in two parts, 556 and 347, that added together give a triangular number (903 = T₄₂).

The spelling of 556347 in words is "five hundred fifty-six thousand, three hundred forty-seven".