438334976 has 40 divisors (see below), whose sum is σ = 886981920. Its totient is φ = 216373248.

The previous prime is 438334973. The next prime is 438335011. The reversal of 438334976 is 679433834.

It is a self number, because there is not a number n which added to its sum of digits gives 438334976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438334973) 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, 35030 + ... + 45866.

It is an arithmetic number, because the mean of its divisors is an integer number (22174548).

Almost surely, 2^438334976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438334976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443490960).

438334976 is an abundant number, since it is smaller than the sum of its proper divisors (448646944).

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

438334976 is an equidigital number, since it uses as much as digits as its factorization.

438334976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10934 (or 10918 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 47.

The square root of 438334976 is about 20936.4508931194. The cubic root of 438334976 is about 759.6298844204.

The spelling of 438334976 in words is "four hundred thirty-eight million, three hundred thirty-four thousand, nine hundred seventy-six".