424905 has 16 divisors (see below), whose sum is σ = 732480. Its totient is φ = 209088.

The previous prime is 424903. The next prime is 424909. The reversal of 424905 is 509424.

It is not a de Polignac number, because 424905 - 2¹ = 424903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895 + ... + 1284.

It is an arithmetic number, because the mean of its divisors is an integer number (45780).

2⁴²⁴⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

424905 is a deficient number, since it is larger than the sum of its proper divisors (307575).

424905 is a wasteful number, since it uses less digits than its factorization.

424905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 424905 is about 651.8473747742. The cubic root of 424905 is about 75.1791273933.

The spelling of 424905 in words is "four hundred twenty-four thousand, nine hundred five".