838811922 has 64 divisors (see below), whose sum is σ = 1856131200. Its totient is φ = 251080704.

The previous prime is 838811903. The next prime is 838811923. The reversal of 838811922 is 229118838.

838811922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (838811923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1505668 + ... + 1506224.

It is an arithmetic number, because the mean of its divisors is an integer number (29002050).

Almost surely, 2^838811922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 838811922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928065600).

838811922 is an abundant number, since it is smaller than the sum of its proper divisors (1017319278).

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

838811922 is a wasteful number, since it uses less digits than its factorization.

838811922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its digits is 55296, while the sum is 42.

The square root of 838811922 is about 28962.2499471295. The cubic root of 838811922 is about 943.0937458226.

The spelling of 838811922 in words is "eight hundred thirty-eight million, eight hundred eleven thousand, nine hundred twenty-two".