404323424 has 24 divisors (see below), whose sum is σ = 800024400. Its totient is φ = 201142656.

The previous prime is 404323369. The next prime is 404323441. The reversal of 404323424 is 424323404.

It is a junction number, because it is equal to n+sod(n) for n = 404323393 and 404323402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25379 + ... + 38114.

It is an arithmetic number, because the mean of its divisors is an integer number (33334350).

Almost surely, 2^404323424 is an apocalyptic number.

It is an amenable number.

404323424 is a deficient number, since it is larger than the sum of its proper divisors (395700976).

404323424 is a wasteful number, since it uses less digits than its factorization.

404323424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63702 (or 63694 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 404323424 is about 20107.7951053814. The cubic root of 404323424 is about 739.4513976283.

Adding to 404323424 its reverse (424323404), we get a palindrome (828646828).

The spelling of 404323424 in words is "four hundred four million, three hundred twenty-three thousand, four hundred twenty-four".