82349893 has 2 divisors, whose sum is σ = 82349894. Its totient is φ = 82349892.

The previous prime is 82349873. The next prime is 82349909. The reversal of 82349893 is 39894328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73307844 + 9042049 = 8562^2 + 3007^2 .

It is a cyclic number.

It is not a de Polignac number, because 82349893 - 2⁹ = 82349381 is a prime.

It is a super-2 number, since 2×82349893² = 13563009754222898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82349833) 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, 41174946 + 41174947.

It is an arithmetic number, because the mean of its divisors is an integer number (41174947).

Almost surely, 2^82349893 is an apocalyptic number.

It is an amenable number.

82349893 is a deficient number, since it is larger than the sum of its proper divisors (1).

82349893 is an equidigital number, since it uses as much as digits as its factorization.

82349893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The square root of 82349893 is about 9074.6841818324. The cubic root of 82349893 is about 435.0652000742.

The spelling of 82349893 in words is "eighty-two million, three hundred forty-nine thousand, eight hundred ninety-three".