531706 has 16 divisors (see below), whose sum is σ = 921024. Its totient is φ = 225504.

The previous prime is 531701. The next prime is 531731. The reversal of 531706 is 607135.

531706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×531706² = 565422540872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (531701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (57564).

2⁵³¹⁷⁰⁶ is an apocalyptic number.

531706 is a deficient number, since it is larger than the sum of its proper divisors (389318).

531706 is a wasteful number, since it uses less digits than its factorization.

531706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 531706 is about 729.1817331777. The cubic root of 531706 is about 81.0134611576.

The spelling of 531706 in words is "five hundred thirty-one thousand, seven hundred six".