83501928 has 40 divisors (see below), whose sum is σ = 233884530. Its totient is φ = 27833760.

The previous prime is 83501923. The next prime is 83501963. The reversal of 83501928 is 82910538.

It can be written as a sum of positive squares in only one way, i.e., 78110244 + 5391684 = 8838^2 + 2322^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 83501892 and 83501901.

It is not an unprimeable number, because it can be changed into a prime (83501923) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 63783 + ... + 65078.

Almost surely, 2^83501928 is an apocalyptic number.

It is an amenable number.

83501928 is an abundant number, since it is smaller than the sum of its proper divisors (150382602).

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

83501928 is a wasteful number, since it uses less digits than its factorization.

83501928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128879 (or 128866 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 83501928 is about 9137.9389361059. The cubic root of 83501928 is about 437.0845959593.

The spelling of 83501928 in words is "eighty-three million, five hundred one thousand, nine hundred twenty-eight".