424866 has 24 divisors (see below), whose sum is σ = 922320. Its totient is φ = 130416.

The previous prime is 424861. The next prime is 424867. The reversal of 424866 is 668424.

424866 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×424866² = 361022235912, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424861) by changing a digit.

424866 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 (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 805 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (38430).

2⁴²⁴⁸⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461160).

424866 is an abundant number, since it is smaller than the sum of its proper divisors (497454).

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

424866 is a wasteful number, since it uses less digits than its factorization.

424866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 437 counting only the distinct ones).

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

The square root of 424866 is about 651.8174591095. The cubic root of 424866 is about 75.1768272120.

The spelling of 424866 in words is "four hundred twenty-four thousand, eight hundred sixty-six".