424404331 has 8 divisors (see below), whose sum is σ = 463873424. Its totient is φ = 385909920.

The previous prime is 424404317. The next prime is 424404341. The reversal of 424404331 is 133404424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 424404331 - 2⁷ = 424404203 is a prime.

It is a super-2 number, since 2×424404331² = 360238072343115122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424404296 and 424404305.

It is not an unprimeable number, because it can be changed into a prime (424404301) 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 7 ways as a sum of consecutive naturals, for example, 242760 + ... + 244501.

It is an arithmetic number, because the mean of its divisors is an integer number (57984178).

Almost surely, 2^424404331 is an apocalyptic number.

424404331 is a deficient number, since it is larger than the sum of its proper divisors (39469093).

424404331 is a wasteful number, since it uses less digits than its factorization.

424404331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487341.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 424404331 is about 20601.0759670460. The cubic root of 424404331 is about 751.4958772994.

Adding to 424404331 its reverse (133404424), we get a palindrome (557808755).

The spelling of 424404331 in words is "four hundred twenty-four million, four hundred four thousand, three hundred thirty-one".