404324313 has 16 divisors (see below), whose sum is σ = 580673280. Its totient is φ = 249422544.

The previous prime is 404324309. The next prime is 404324317. The reversal of 404324313 is 313423404.

It is an interprime number because it is at equal distance from previous prime (404324309) and next prime (404324317).

It is not a de Polignac number, because 404324313 - 2² = 404324309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (404324317) 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 15 ways as a sum of consecutive naturals, for example, 80031 + ... + 84932.

It is an arithmetic number, because the mean of its divisors is an integer number (36292080).

Almost surely, 2^404324313 is an apocalyptic number.

404324313 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

404324313 is a deficient number, since it is larger than the sum of its proper divisors (176348967).

404324313 is a wasteful number, since it uses less digits than its factorization.

404324313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165028.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 404324313 is about 20107.8172112241. The cubic root of 404324313 is about 739.4519395804.

Adding to 404324313 its reverse (313423404), we get a palindrome (717747717).

Subtracting from 404324313 its reverse (313423404), we obtain a palindrome (90900909).

The spelling of 404324313 in words is "four hundred four million, three hundred twenty-four thousand, three hundred thirteen".