246126389 has 2 divisors, whose sum is σ = 246126390. Its totient is φ = 246126388.

The previous prime is 246126383. The next prime is 246126401. The reversal of 246126389 is 983621642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212868100 + 33258289 = 14590^2 + 5767^2 .

It is a cyclic number.

It is not a de Polignac number, because 246126389 - 2⁴ = 246126373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246126383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123063194 + 123063195.

It is an arithmetic number, because the mean of its divisors is an integer number (123063195).

Almost surely, 2^246126389 is an apocalyptic number.

It is an amenable number.

246126389 is a deficient number, since it is larger than the sum of its proper divisors (1).

246126389 is an equidigital number, since it uses as much as digits as its factorization.

246126389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 246126389 is about 15688.4157581319. The cubic root of 246126389 is about 626.6899450321.

The spelling of 246126389 in words is "two hundred forty-six million, one hundred twenty-six thousand, three hundred eighty-nine".