246086389 has 2 divisors, whose sum is σ = 246086390. Its totient is φ = 246086388.

The previous prime is 246086363. The next prime is 246086413. The reversal of 246086389 is 983680642.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141372100 + 104714289 = 11890^2 + 10233^2 .

It is a cyclic number.

It is not a de Polignac number, because 246086389 - 2⁹ = 246085877 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 (246086189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123043194 + 123043195.

It is an arithmetic number, because the mean of its divisors is an integer number (123043195).

Almost surely, 2^246086389 is an apocalyptic number.

It is an amenable number.

246086389 is a deficient number, since it is larger than the sum of its proper divisors (1).

246086389 is an equidigital number, since it uses as much as digits as its factorization.

246086389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 246086389 is about 15687.1408803517. The cubic root of 246086389 is about 626.6559937006.

The spelling of 246086389 in words is "two hundred forty-six million, eighty-six thousand, three hundred eighty-nine".