424646 has 8 divisors (see below), whose sum is σ = 646680. Its totient is φ = 209088.

The previous prime is 424639. The next prime is 424661. The reversal of 424646 is 646424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

424646 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 3 ways as a sum of consecutive naturals, for example, 1451 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (80835).

2⁴²⁴⁶⁴⁶ is an apocalyptic number.

424646 is a deficient number, since it is larger than the sum of its proper divisors (222034).

424646 is a wasteful number, since it uses less digits than its factorization.

424646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238.

The product of its digits is 4608, while the sum is 26.

The square root of 424646 is about 651.6486783536. The cubic root of 424646 is about 75.1638491926.

The spelling of 424646 in words is "four hundred twenty-four thousand, six hundred forty-six".