83444312 has 64 divisors (see below), whose sum is σ = 187453440. Its totient is φ = 34070400.

The previous prime is 83444297. The next prime is 83444323. The reversal of 83444312 is 21344438.

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, 122918 + ... + 123594.

It is an arithmetic number, because the mean of its divisors is an integer number (2928960).

Almost surely, 2^83444312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83444312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93726720).

83444312 is an abundant number, since it is smaller than the sum of its proper divisors (104009128).

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

83444312 is a wasteful number, since it uses less digits than its factorization.

83444312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 788 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 83444312 is about 9134.7858212440. The cubic root of 83444312 is about 436.9840439482.

The spelling of 83444312 in words is "eighty-three million, four hundred forty-four thousand, three hundred twelve".