531968 has 20 divisors (see below), whose sum is σ = 1063920. Its totient is φ = 265728.

The previous prime is 531919. The next prime is 531977. The reversal of 531968 is 869135.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a d-powerful number, because it can be written as 5 + 3 + 9⁶ + 1 + 6 + 8³ .

It is a congruent number.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 8 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (53196).

531968 is a Friedman number, since it can be written as 15+9^6+8^3, using all its digits and the basic arithmetic operations.

2⁵³¹⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

531968 is a deficient number, since it is larger than the sum of its proper divisors (531952).

531968 is an equidigital number, since it uses as much as digits as its factorization.

531968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1041 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 531968 is about 729.3613644827. The cubic root of 531968 is about 81.0267655285.

The spelling of 531968 in words is "five hundred thirty-one thousand, nine hundred sixty-eight".