83448389 has 2 divisors, whose sum is σ = 83448390. Its totient is φ = 83448388.

The previous prime is 83448383. The next prime is 83448403. The reversal of 83448389 is 98384438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70845889 + 12602500 = 8417^2 + 3550^2 .

It is a cyclic number.

It is not a de Polignac number, because 83448389 - 2¹² = 83444293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83448383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41724194 + 41724195.

It is an arithmetic number, because the mean of its divisors is an integer number (41724195).

Almost surely, 2^83448389 is an apocalyptic number.

It is an amenable number.

83448389 is a deficient number, since it is larger than the sum of its proper divisors (1).

83448389 is an equidigital number, since it uses as much as digits as its factorization.

83448389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 47.

The square root of 83448389 is about 9135.0089764597. The cubic root of 83448389 is about 436.9911606902.

The spelling of 83448389 in words is "eighty-three million, four hundred forty-eight thousand, three hundred eighty-nine".