83805928 has 32 divisors (see below), whose sum is σ = 164462400. Its totient is φ = 39960448.

The previous prime is 83805923. The next prime is 83805929. The reversal of 83805928 is 82950838.

It is not an unprimeable number, because it can be changed into a prime (83805923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103188 + ... + 103996.

It is an arithmetic number, because the mean of its divisors is an integer number (5139450).

Almost surely, 2^83805928 is an apocalyptic number.

It is an amenable number.

83805928 is a deficient number, since it is larger than the sum of its proper divisors (80656472).

83805928 is a wasteful number, since it uses less digits than its factorization.

83805928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 83805928 is about 9154.5577719516. The cubic root of 83805928 is about 437.6143753208.

The spelling of 83805928 in words is "eighty-three million, eight hundred five thousand, nine hundred twenty-eight".