83842943 has 2 divisors, whose sum is σ = 83842944. Its totient is φ = 83842942.

The previous prime is 83842939. The next prime is 83842961. The reversal of 83842943 is 34924838.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83842943 - 2² = 83842939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83842943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83842933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41921471 + 41921472.

It is an arithmetic number, because the mean of its divisors is an integer number (41921472).

Almost surely, 2^83842943 is an apocalyptic number.

83842943 is a deficient number, since it is larger than the sum of its proper divisors (1).

83842943 is an equidigital number, since it uses as much as digits as its factorization.

83842943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 41.

The square root of 83842943 is about 9156.5792193373. The cubic root of 83842943 is about 437.6787936433.

The spelling of 83842943 in words is "eighty-three million, eight hundred forty-two thousand, nine hundred forty-three".