557676 has 36 divisors (see below), whose sum is σ = 1611792. Its totient is φ = 159264.

The previous prime is 557671. The next prime is 557693. The reversal of 557676 is 676755.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×557676² = 622005041952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 557676.

It is not an unprimeable number, because it can be changed into a prime (557671) by changing a digit.

557676 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 (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 855 + ... + 1358.

It is an arithmetic number, because the mean of its divisors is an integer number (44772).

2⁵⁵⁷⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

557676 is an abundant number, since it is smaller than the sum of its proper divisors (1054116).

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

557676 is a wasteful number, since it uses less digits than its factorization.

557676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230 (or 2225 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 557676 is about 746.7770751704. Note that the first 3 decimals coincide. The cubic root of 557676 is about 82.3115256741.

The spelling of 557676 in words is "five hundred fifty-seven thousand, six hundred seventy-six".