3818938368 has 224 divisors, whose sum is σ = 11827215360. Its totient is φ = 1073479680.

The previous prime is 3818938363. The next prime is 3818938379. The reversal of 3818938368 is 8638398183.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3818938363) 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, 13590388 + ... + 13590668.

Almost surely, 2^3818938368 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 3818938368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5913607680).

3818938368 is an abundant number, since it is smaller than the sum of its proper divisors (8008276992).

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

3818938368 is an equidigital number, since it uses as much as digits as its factorization.

3818938368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 372 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 57.

The square root of 3818938368 is about 61797.5595634650. The cubic root of 3818938368 is about 1563.0788373840.

The spelling of 3818938368 in words is "three billion, eight hundred eighteen million, nine hundred thirty-eight thousand, three hundred sixty-eight".