438294313 has 8 divisors (see below), whose sum is σ = 463953600. Its totient is φ = 413338128.

The previous prime is 438294293. The next prime is 438294347. The reversal of 438294313 is 313492834.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438294313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (438294113) 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, 174493 + ... + 176986.

It is an arithmetic number, because the mean of its divisors is an integer number (57994200).

Almost surely, 2^438294313 is an apocalyptic number.

438294313 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

438294313 is a deficient number, since it is larger than the sum of its proper divisors (25659287).

438294313 is a wasteful number, since it uses less digits than its factorization.

438294313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351551.

The product of its digits is 62208, while the sum is 37.

The square root of 438294313 is about 20935.4797652215. The cubic root of 438294313 is about 759.6063941775.

The spelling of 438294313 in words is "four hundred thirty-eight million, two hundred ninety-four thousand, three hundred thirteen".