424663 has 4 divisors (see below), whose sum is σ = 425968. Its totient is φ = 423360.

The previous prime is 424661. The next prime is 424667. The reversal of 424663 is 366424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 424663 - 2¹ = 424661 is a prime.

It is a Duffinian number.

424663 is a lucky number.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295 + ... + 967.

It is an arithmetic number, because the mean of its divisors is an integer number (106492).

2⁴²⁴⁶⁶³ is an apocalyptic number.

424663 is a deficient number, since it is larger than the sum of its proper divisors (1305).

424663 is an equidigital number, since it uses as much as digits as its factorization.

424663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its digits is 3456, while the sum is 25.

The square root of 424663 is about 651.6617220614. The cubic root of 424663 is about 75.1648521994.

The spelling of 424663 in words is "four hundred twenty-four thousand, six hundred sixty-three".