424868593 has 4 divisors (see below), whose sum is σ = 428766580. Its totient is φ = 420970608.

The previous prime is 424868567. The next prime is 424868611. The reversal of 424868593 is 395868424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 288048784 + 136819809 = 16972^2 + 11697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424868593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424868393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948830 + ... + 1949047.

It is an arithmetic number, because the mean of its divisors is an integer number (107191645).

Almost surely, 2^424868593 is an apocalyptic number.

It is an amenable number.

424868593 is a deficient number, since it is larger than the sum of its proper divisors (3897987).

424868593 is a wasteful number, since it uses less digits than its factorization.

424868593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897986.

The product of its digits is 1658880, while the sum is 49.

The square root of 424868593 is about 20612.3407938060. The cubic root of 424868593 is about 751.7698014890.

The spelling of 424868593 in words is "four hundred twenty-four million, eight hundred sixty-eight thousand, five hundred ninety-three".