838711216 has 80 divisors (see below), whose sum is σ = 1909600000. Its totient is φ = 349380864.

The previous prime is 838711189. The next prime is 838711219. The reversal of 838711216 is 612117838.

It is not an unprimeable number, because it can be changed into a prime (838711219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680535 + ... + 1681033.

It is an arithmetic number, because the mean of its divisors is an integer number (23870000).

Almost surely, 2^838711216 is an apocalyptic number.

838711216 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838711216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954800000).

838711216 is an abundant number, since it is smaller than the sum of its proper divisors (1070888784).

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

838711216 is a wasteful number, since it uses less digits than its factorization.

838711216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 900 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 838711216 is about 28960.5113214529. The cubic root of 838711216 is about 943.0560023598.

The spelling of 838711216 in words is "eight hundred thirty-eight million, seven hundred eleven thousand, two hundred sixteen".