424686 has 16 divisors (see below), whose sum is σ = 872784. Its totient is φ = 137664.

The previous prime is 424679. The next prime is 424687. The reversal of 424686 is 686424.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424687) by changing a digit.

424686 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735 + ... + 1178.

It is an arithmetic number, because the mean of its divisors is an integer number (54549).

2⁴²⁴⁶⁸⁶ is an apocalyptic number.

424686 is an abundant number, since it is smaller than the sum of its proper divisors (448098).

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

424686 is a wasteful number, since it uses less digits than its factorization.

424686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955.

The product of its digits is 9216, while the sum is 30.

The square root of 424686 is about 651.6793690152. The cubic root of 424686 is about 75.1662091659.

The spelling of 424686 in words is "four hundred twenty-four thousand, six hundred eighty-six".