424838 has 4 divisors (see below), whose sum is σ = 637260. Its totient is φ = 212418.

The previous prime is 424829. The next prime is 424841. The reversal of 424838 is 838424.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 424838.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 106208 + ... + 106211.

It is an arithmetic number, because the mean of its divisors is an integer number (159315).

2⁴²⁴⁸³⁸ is an apocalyptic number.

424838 is a deficient number, since it is larger than the sum of its proper divisors (212422).

424838 is a wasteful number, since it uses less digits than its factorization.

424838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212421.

The product of its digits is 6144, while the sum is 29.

The square root of 424838 is about 651.7959803497. The cubic root of 424838 is about 75.1751757129.

It can be divided in two parts, 4 and 24838, that added together give a palindrome (24842).

The spelling of 424838 in words is "four hundred twenty-four thousand, eight hundred thirty-eight".