83965043 has 4 divisors (see below), whose sum is σ = 84830760. Its totient is φ = 83099328.

The previous prime is 83965039. The next prime is 83965061. The reversal of 83965043 is 34056938.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34056938 = 2 ⋅17028469.

It is a cyclic number.

It is not a de Polignac number, because 83965043 - 2² = 83965039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83964988 and 83965006.

It is not an unprimeable number, because it can be changed into a prime (83965033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432713 + ... + 432906.

It is an arithmetic number, because the mean of its divisors is an integer number (21207690).

Almost surely, 2^83965043 is an apocalyptic number.

83965043 is a deficient number, since it is larger than the sum of its proper divisors (865717).

83965043 is an equidigital number, since it uses as much as digits as its factorization.

83965043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865716.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 83965043 is about 9163.2441307650. The cubic root of 83965043 is about 437.8911536346.

The spelling of 83965043 in words is "eighty-three million, nine hundred sixty-five thousand, forty-three".