438343 has 4 divisors (see below), whose sum is σ = 442960. Its totient is φ = 433728.

The previous prime is 438341. The next prime is 438377. The reversal of 438343 is 343834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343834 = 2 ⋅171917.

It is a cyclic number.

It is not a de Polignac number, because 438343 - 2¹ = 438341 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

438343 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163 + ... + 2356.

It is an arithmetic number, because the mean of its divisors is an integer number (110740).

2⁴³⁸³⁴³ is an apocalyptic number.

438343 is a deficient number, since it is larger than the sum of its proper divisors (4617).

438343 is an equidigital number, since it uses as much as digits as its factorization.

438343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616.

The product of its digits is 3456, while the sum is 25.

The square root of 438343 is about 662.0747691915. The cubic root of 438343 is about 75.9634519561.

The spelling of 438343 in words is "four hundred thirty-eight thousand, three hundred forty-three".