557346 has 16 divisors (see below), whose sum is σ = 1173600. Its totient is φ = 175968.

The previous prime is 557339. The next prime is 557369. The reversal of 557346 is 643755.

It is a Curzon number.

It is an unprimeable number.

557346 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331 + ... + 2558.

It is an arithmetic number, because the mean of its divisors is an integer number (73350).

2⁵⁵⁷³⁴⁶ is an apocalyptic number.

557346 is an abundant number, since it is smaller than the sum of its proper divisors (616254).

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

557346 is a wasteful number, since it uses less digits than its factorization.

557346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913.

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

The square root of 557346 is about 746.5560930031. The cubic root of 557346 is about 82.2952867570.

It can be divided in two parts, 557 and 346, that added together give a triangular number (903 = T₄₂).

The spelling of 557346 in words is "five hundred fifty-seven thousand, three hundred forty-six".