438822844 has 12 divisors (see below), whose sum is σ = 774736704. Its totient is φ = 217469504.

The previous prime is 438822833. The next prime is 438822847. The reversal of 438822844 is 448228834.

It is a self number, because there is not a number n which added to its sum of digits gives 438822844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438822847) 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, 484972 + ... + 485875.

It is an arithmetic number, because the mean of its divisors is an integer number (64561392).

Almost surely, 2^438822844 is an apocalyptic number.

It is an amenable number.

438822844 is a deficient number, since it is larger than the sum of its proper divisors (335913860).

438822844 is a wasteful number, since it uses less digits than its factorization.

438822844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970964 (or 970962 counting only the distinct ones).

The product of its digits is 393216, while the sum is 43.

The square root of 438822844 is about 20948.0988158830. The cubic root of 438822844 is about 759.9116032923.

The spelling of 438822844 in words is "four hundred thirty-eight million, eight hundred twenty-two thousand, eight hundred forty-four".