246239993 has 2 divisors, whose sum is σ = 246239994. Its totient is φ = 246239992.

The previous prime is 246239977. The next prime is 246240011. The reversal of 246239993 is 399932642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239228089 + 7011904 = 15467^2 + 2648^2 .

It is a cyclic number.

It is not a de Polignac number, because 246239993 - 2⁴ = 246239977 is a prime.

It is not a weakly prime, because it can be changed into another prime (246239893) 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, 123119996 + 123119997.

It is an arithmetic number, because the mean of its divisors is an integer number (123119997).

Almost surely, 2^246239993 is an apocalyptic number.

It is an amenable number.

246239993 is a deficient number, since it is larger than the sum of its proper divisors (1).

246239993 is an equidigital number, since it uses as much as digits as its factorization.

246239993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 47.

The square root of 246239993 is about 15692.0359737033. The cubic root of 246239993 is about 626.7863501541.

The spelling of 246239993 in words is "two hundred forty-six million, two hundred thirty-nine thousand, nine hundred ninety-three".