424689 has 8 divisors (see below), whose sum is σ = 577152. Its totient is φ = 277680.

The previous prime is 424687. The next prime is 424693. The reversal of 424689 is 986424.

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

It is not a de Polignac number, because 424689 - 2¹ = 424687 is a prime.

424689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (424687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177 + ... + 1494.

It is an arithmetic number, because the mean of its divisors is an integer number (72144).

2⁴²⁴⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

424689 is a deficient number, since it is larger than the sum of its proper divisors (152463).

424689 is a wasteful number, since it uses less digits than its factorization.

424689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727.

The product of its digits is 13824, while the sum is 33.

The square root of 424689 is about 651.6816707565. The cubic root of 424689 is about 75.1663861579.

The spelling of 424689 in words is "four hundred twenty-four thousand, six hundred eighty-nine".