83928956 has 6 divisors (see below), whose sum is σ = 146875680. Its totient is φ = 41964476.

The previous prime is 83928953. The next prime is 83928961. The reversal of 83928956 is 65982938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83928953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10491116 + ... + 10491123.

It is an arithmetic number, because the mean of its divisors is an integer number (24479280).

Almost surely, 2^83928956 is an apocalyptic number.

It is an amenable number.

83928956 is a deficient number, since it is larger than the sum of its proper divisors (62946724).

83928956 is a wasteful number, since it uses less digits than its factorization.

83928956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20982243 (or 20982241 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 83928956 is about 9161.2748021222. The cubic root of 83928956 is about 437.8284114827.

The spelling of 83928956 in words is "eighty-three million, nine hundred twenty-eight thousand, nine hundred fifty-six".