83966844 has 24 divisors (see below), whose sum is σ = 210994000. Its totient is φ = 25835904.

The previous prime is 83966837. The next prime is 83966881. The reversal of 83966844 is 44866938.

It is a junction number, because it is equal to n+sod(n) for n = 83966793 and 83966802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268969 + ... + 269280.

Almost surely, 2^83966844 is an apocalyptic number.

It is an amenable number.

83966844 is an abundant number, since it is smaller than the sum of its proper divisors (127027156).

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

83966844 is a wasteful number, since it uses less digits than its factorization.

83966844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538269 (or 538267 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 83966844 is about 9163.3424032937. The cubic root of 83966844 is about 437.8942844468.

The spelling of 83966844 in words is "eighty-three million, nine hundred sixty-six thousand, eight hundred forty-four".