424289 has 8 divisors (see below), whose sum is σ = 452640. Its totient is φ = 396576.

The previous prime is 424273. The next prime is 424313. The reversal of 424289 is 982424.

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

It is a cyclic number.

It is not a de Polignac number, because 424289 - 2⁴ = 424273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424889) 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, 2522 + ... + 2684.

It is an arithmetic number, because the mean of its divisors is an integer number (56580).

2⁴²⁴²⁸⁹ is an apocalyptic number.

It is an amenable number.

424289 is a deficient number, since it is larger than the sum of its proper divisors (28351).

424289 is a wasteful number, since it uses less digits than its factorization.

424289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319.

The product of its digits is 4608, while the sum is 29.

The square root of 424289 is about 651.3747001535. The cubic root of 424289 is about 75.1427798648.

The spelling of 424289 in words is "four hundred twenty-four thousand, two hundred eighty-nine".