83990339 has 2 divisors, whose sum is σ = 83990340. Its totient is φ = 83990338.

The previous prime is 83990327. The next prime is 83990381. The reversal of 83990339 is 93309938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83990339 - 2⁴ = 83990323 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83990339.

It is not a weakly prime, because it can be changed into another prime (83990239) 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 as a sum of consecutive naturals, namely, 41995169 + 41995170.

It is an arithmetic number, because the mean of its divisors is an integer number (41995170).

Almost surely, 2^83990339 is an apocalyptic number.

83990339 is a deficient number, since it is larger than the sum of its proper divisors (1).

83990339 is an equidigital number, since it uses as much as digits as its factorization.

83990339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 83990339 is about 9164.6243239971. The cubic root of 83990339 is about 437.9351234505.

The spelling of 83990339 in words is "eighty-three million, nine hundred ninety thousand, three hundred thirty-nine".