438846 has 8 divisors (see below), whose sum is σ = 877704. Its totient is φ = 146280.

The previous prime is 438833. The next prime is 438847. The reversal of 438846 is 648834.

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

438846 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 438846.

It is not an unprimeable number, because it can be changed into a prime (438847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36565 + ... + 36576.

It is an arithmetic number, because the mean of its divisors is an integer number (109713).

2⁴³⁸⁸⁴⁶ is an apocalyptic number.

438846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438846 is a wasteful number, since it uses less digits than its factorization.

438846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73146.

The product of its digits is 18432, while the sum is 33.

The square root of 438846 is about 662.4545267413. The cubic root of 438846 is about 75.9924969509.

The spelling of 438846 in words is "four hundred thirty-eight thousand, eight hundred forty-six".