83838228 has 12 divisors (see below), whose sum is σ = 195622560. Its totient is φ = 27946072.

The previous prime is 83838221. The next prime is 83838247. The reversal of 83838228 is 82283838.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 83838228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83838221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3493248 + ... + 3493271.

It is an arithmetic number, because the mean of its divisors is an integer number (16301880).

Almost surely, 2^83838228 is an apocalyptic number.

It is an amenable number.

83838228 is an abundant number, since it is smaller than the sum of its proper divisors (111784332).

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

83838228 is a wasteful number, since it uses less digits than its factorization.

83838228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986526 (or 6986524 counting only the distinct ones).

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

The square root of 83838228 is about 9156.3217505721. The cubic root of 83838228 is about 437.6705890403.

The spelling of 83838228 in words is "eighty-three million, eight hundred thirty-eight thousand, two hundred twenty-eight".