486831 has 4 divisors (see below), whose sum is σ = 649112. Its totient is φ = 324552.

The previous prime is 486821. The next prime is 486833. The reversal of 486831 is 138684.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 486831 - 2⁶ = 486767 is a prime.

It is a super-2 number, since 2×486831² = 474008845122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

486831 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81136 + ... + 81141.

It is an arithmetic number, because the mean of its divisors is an integer number (162278).

2⁴⁸⁶⁸³¹ is an apocalyptic number.

486831 is a deficient number, since it is larger than the sum of its proper divisors (162281).

486831 is a wasteful number, since it uses less digits than its factorization.

486831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162280.

The product of its digits is 4608, while the sum is 30.

The square root of 486831 is about 697.7327568633. The cubic root of 486831 is about 78.6670277522.

It can be divided in two parts, 48683 and 1, that added together give a palindrome (48684).

The spelling of 486831 in words is "four hundred eighty-six thousand, eight hundred thirty-one".