246446939 has 2 divisors, whose sum is σ = 246446940. Its totient is φ = 246446938.

The previous prime is 246446933. The next prime is 246446989. The reversal of 246446939 is 939644642.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246446939 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 246446893 and 246446902.

It is not a weakly prime, because it can be changed into another prime (246446933) 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, 123223469 + 123223470.

It is an arithmetic number, because the mean of its divisors is an integer number (123223470).

Almost surely, 2^246446939 is an apocalyptic number.

246446939 is a deficient number, since it is larger than the sum of its proper divisors (1).

246446939 is an equidigital number, since it uses as much as digits as its factorization.

246446939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 47.

The square root of 246446939 is about 15698.6285706746. The cubic root of 246446939 is about 626.9618897513.

The spelling of 246446939 in words is "two hundred forty-six million, four hundred forty-six thousand, nine hundred thirty-nine".