424323392 has 28 divisors (see below), whose sum is σ = 847686900. Its totient is φ = 210733056.

The previous prime is 424323359. The next prime is 424323397. The reversal of 424323392 is 293323424.

It can be written as a sum of positive squares in 2 ways, for example, as 156150016 + 268173376 = 12496^2 + 16376^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424323397) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 12713 + ... + 31784.

Almost surely, 2^424323392 is an apocalyptic number.

It is an amenable number.

424323392 is a deficient number, since it is larger than the sum of its proper divisors (423363508).

424323392 is a wasteful number, since it uses less digits than its factorization.

424323392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44658 (or 44648 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 424323392 is about 20599.1114371470. Note that the first 3 decimals coincide. The cubic root of 424323392 is about 751.4481011675.

Adding to 424323392 its sum of digits (32), we get a palindrome (424323424).

The spelling of 424323392 in words is "four hundred twenty-four million, three hundred twenty-three thousand, three hundred ninety-two".