557706 has 8 divisors (see below), whose sum is σ = 1115424. Its totient is φ = 185900.

The previous prime is 557693. The next prime is 557717. The reversal of 557706 is 607755.

557706 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

557706 is an admirable number.

It is a super-2 number, since 2×557706² = 622071964872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46470 + ... + 46481.

It is an arithmetic number, because the mean of its divisors is an integer number (139428).

2⁵⁵⁷⁷⁰⁶ is an apocalyptic number.

557706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

557706 is a wasteful number, since it uses less digits than its factorization.

557706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92956.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 557706 is about 746.7971612158. The cubic root of 557706 is about 82.3130016216.

The spelling of 557706 in words is "five hundred fifty-seven thousand, seven hundred six".