438347 has 8 divisors (see below), whose sum is σ = 539616. Its totient is φ = 346752.

The previous prime is 438341. The next prime is 438377. The reversal of 438347 is 743834.

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

It is not a de Polignac number, because 438347 - 2⁸ = 438091 is a prime.

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

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 7 ways as a sum of consecutive naturals, for example, 2318 + ... + 2499.

It is an arithmetic number, because the mean of its divisors is an integer number (67452).

2⁴³⁸³⁴⁷ is an apocalyptic number.

438347 is a deficient number, since it is larger than the sum of its proper divisors (101269).

438347 is a wasteful number, since it uses less digits than its factorization.

438347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837.

The product of its digits is 8064, while the sum is 29.

The square root of 438347 is about 662.0777899915. The cubic root of 438347 is about 75.9636830179.

The spelling of 438347 in words is "four hundred thirty-eight thousand, three hundred forty-seven".