438315 has 8 divisors (see below), whose sum is σ = 701328. Its totient is φ = 233760.

The previous prime is 438313. The next prime is 438329. The reversal of 438315 is 513834.

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

It is not a de Polignac number, because 438315 - 2¹ = 438313 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (438313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14596 + ... + 14625.

It is an arithmetic number, because the mean of its divisors is an integer number (87666).

2⁴³⁸³¹⁵ is an apocalyptic number.

438315 is a deficient number, since it is larger than the sum of its proper divisors (263013).

438315 is a wasteful number, since it uses less digits than its factorization.

438315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29229.

The product of its digits is 1440, while the sum is 24.

The square root of 438315 is about 662.0536232059. The cubic root of 438315 is about 75.9618344846.

The spelling of 438315 in words is "four hundred thirty-eight thousand, three hundred fifteen".