438349 has 4 divisors (see below), whose sum is σ = 461440. Its totient is φ = 415260.

The previous prime is 438341. The next prime is 438377. The reversal of 438349 is 943834.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 438349 - 2³ = 438341 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 438349.

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, 11517 + ... + 11554.

It is an arithmetic number, because the mean of its divisors is an integer number (115360).

2⁴³⁸³⁴⁹ is an apocalyptic number.

It is an amenable number.

438349 is a deficient number, since it is larger than the sum of its proper divisors (23091).

438349 is a wasteful number, since it uses less digits than its factorization.

438349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23090.

The product of its digits is 10368, while the sum is 31.

The square root of 438349 is about 662.0793003863. The cubic root of 438349 is about 75.9637985482.

It can be divided in two parts, 438 and 349, that added together give a palindrome (787).

The spelling of 438349 in words is "four hundred thirty-eight thousand, three hundred forty-nine".