531486 has 12 divisors (see below), whose sum is σ = 1151592. Its totient is φ = 177156.

The previous prime is 531481. The next prime is 531497. The reversal of 531486 is 684135.

It is a plaindrome in base 11.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14746 + ... + 14781.

It is an arithmetic number, because the mean of its divisors is an integer number (95966).

531486 is a Friedman number, since it can be written as 45+(8+1^3)^6, using all its digits and the basic arithmetic operations.

2⁵³¹⁴⁸⁶ is an apocalyptic number.

531486 is an abundant number, since it is smaller than the sum of its proper divisors (620106).

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

531486 is a wasteful number, since it uses less digits than its factorization.

531486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29535 (or 29532 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 531486 is about 729.0308635442. The cubic root of 531486 is about 81.0022861723.

The spelling of 531486 in words is "five hundred thirty-one thousand, four hundred eighty-six".