424664 has 16 divisors (see below), whose sum is σ = 805200. Its totient is φ = 209952.

The previous prime is 424661. The next prime is 424667. The reversal of 424664 is 466424.

It is an interprime number because it is at equal distance from previous prime (424661) and next prime (424667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424661) 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, 629 + ... + 1115.

It is an arithmetic number, because the mean of its divisors is an integer number (50325).

2⁴²⁴⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

424664 is a deficient number, since it is larger than the sum of its proper divisors (380536).

424664 is a wasteful number, since it uses less digits than its factorization.

424664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 598 counting only the distinct ones).

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

The square root of 424664 is about 651.6624893302. The cubic root of 424664 is about 75.1649111989.

The spelling of 424664 in words is "four hundred twenty-four thousand, six hundred sixty-four".