83822838 has 32 divisors (see below), whose sum is σ = 184222080. Its totient is φ = 25215360.

The previous prime is 83822803. The next prime is 83822857.

83822838 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 83822838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4606 + ... + 13742.

It is an arithmetic number, because the mean of its divisors is an integer number (5756940).

Almost surely, 2^83822838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83822838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92111040).

83822838 is an abundant number, since it is smaller than the sum of its proper divisors (100399242).

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

83822838 is a wasteful number, since it uses less digits than its factorization.

83822838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9292.

The product of its digits is 147456, while the sum is 42.

The square root of 83822838 is about 9155.4813090301. The cubic root of 83822838 is about 437.6438066574.

The spelling of 83822838 in words is "eighty-three million, eight hundred twenty-two thousand, eight hundred thirty-eight".