438696384 has 112 divisors (see below), whose sum is σ = 1348532736. Its totient is φ = 123264000.

The previous prime is 438696299. The next prime is 438696389. The reversal of 438696384 is 483696834.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438696389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79309 + ... + 84659.

Almost surely, 2^438696384 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 438696384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674266368).

438696384 is an abundant number, since it is smaller than the sum of its proper divisors (909836352).

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

438696384 is a wasteful number, since it uses less digits than its factorization.

438696384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434 (or 5424 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 51.

The square root of 438696384 is about 20945.0801860485. The cubic root of 438696384 is about 759.8385991515.

The spelling of 438696384 in words is "four hundred thirty-eight million, six hundred ninety-six thousand, three hundred eighty-four".