424791 has 8 divisors (see below), whose sum is σ = 629360. Its totient is φ = 283176.

The previous prime is 424777. The next prime is 424811. The reversal of 424791 is 197424.

It is a happy number.

It is not a de Polignac number, because 424791 - 2⁶ = 424727 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15733 = 424791 / (4 + 2 + 4 + 7 + 9 + 1).

It is an Ulam number.

It is a Duffinian number.

424791 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424771) 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 7 ways as a sum of consecutive naturals, for example, 7840 + ... + 7893.

It is an arithmetic number, because the mean of its divisors is an integer number (78670).

2⁴²⁴⁷⁹¹ is an apocalyptic number.

424791 is a deficient number, since it is larger than the sum of its proper divisors (204569).

424791 is a wasteful number, since it uses less digits than its factorization.

424791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15742 (or 15736 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 424791 is about 651.7599251258. The cubic root of 424791 is about 75.1724033906.

The spelling of 424791 in words is "four hundred twenty-four thousand, seven hundred ninety-one".