531768 has 16 divisors (see below), whose sum is σ = 1329480. Its totient is φ = 177248.

The previous prime is 531731. The next prime is 531793. The reversal of 531768 is 867135.

It is a congruent number.

It is an unprimeable number.

531768 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11055 + ... + 11102.

2⁵³¹⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

531768 is an abundant number, since it is smaller than the sum of its proper divisors (797712).

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

531768 is a wasteful number, since it uses less digits than its factorization.

531768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22166 (or 22162 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 531768 is about 729.2242453457. The cubic root of 531768 is about 81.0166099149.

The spelling of 531768 in words is "five hundred thirty-one thousand, seven hundred sixty-eight".