83916843 has 8 divisors (see below), whose sum is σ = 111984528. Its totient is φ = 55896864.

The previous prime is 83916841. The next prime is 83916871. The reversal of 83916843 is 34861938.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83916843 - 2¹ = 83916841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83916795 and 83916804.

It is not an unprimeable number, because it can be changed into a prime (83916841) 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, 7596 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (13998066).

Almost surely, 2^83916843 is an apocalyptic number.

83916843 is a deficient number, since it is larger than the sum of its proper divisors (28067685).

83916843 is a wasteful number, since it uses less digits than its factorization.

83916843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23853.

The product of its digits is 124416, while the sum is 42.

The square root of 83916843 is about 9160.6136803164. The cubic root of 83916843 is about 437.8073473551.

The spelling of 83916843 in words is "eighty-three million, nine hundred sixteen thousand, eight hundred forty-three".