83812204 has 24 divisors (see below), whose sum is σ = 173406240. Its totient is φ = 34680576.

The previous prime is 83812199. The next prime is 83812217. The reversal of 83812204 is 40221838.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 50797 + ... + 52420.

It is an arithmetic number, because the mean of its divisors is an integer number (7225260).

Almost surely, 2^83812204 is an apocalyptic number.

It is an amenable number.

83812204 is an abundant number, since it is smaller than the sum of its proper divisors (89594036).

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

83812204 is a wasteful number, since it uses less digits than its factorization.

83812204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103257 (or 103255 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 83812204 is about 9154.9005456094. The cubic root of 83812204 is about 437.6252989684.

It can be divided in two parts, 8381 and 2204, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 83812204 in words is "eighty-three million, eight hundred twelve thousand, two hundred four".