946459391 has 2 divisors, whose sum is σ = 946459392. Its totient is φ = 946459390.

The previous prime is 946459333. The next prime is 946459403. The reversal of 946459391 is 193954649.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 946459391 - 2¹⁸ = 946197247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946459321) 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, 473229695 + 473229696.

It is an arithmetic number, because the mean of its divisors is an integer number (473229696).

Almost surely, 2^946459391 is an apocalyptic number.

946459391 is a deficient number, since it is larger than the sum of its proper divisors (1).

946459391 is an equidigital number, since it uses as much as digits as its factorization.

946459391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 50.

The square root of 946459391 is about 30764.5801369042. The cubic root of 946459391 is about 981.8247935241.

The spelling of 946459391 in words is "nine hundred forty-six million, four hundred fifty-nine thousand, three hundred ninety-one".