486439 has 4 divisors (see below), whose sum is σ = 499624. Its totient is φ = 473256.

The previous prime is 486433. The next prime is 486443. The reversal of 486439 is 934684.

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

It is a cyclic number.

It is not a de Polignac number, because 486439 - 2⁵ = 486407 is a prime.

It is a Duffinian number.

486439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6537 + ... + 6610.

It is an arithmetic number, because the mean of its divisors is an integer number (124906).

2⁴⁸⁶⁴³⁹ is an apocalyptic number.

486439 is a deficient number, since it is larger than the sum of its proper divisors (13185).

486439 is a wasteful number, since it uses less digits than its factorization.

486439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13184.

The product of its digits is 20736, while the sum is 34.

The square root of 486439 is about 697.4517904486. The cubic root of 486439 is about 78.6459076541.

The spelling of 486439 in words is "four hundred eighty-six thousand, four hundred thirty-nine".