946859393 has 2 divisors, whose sum is σ = 946859394. Its totient is φ = 946859392.

The previous prime is 946859383. The next prime is 946859401. The reversal of 946859393 is 393958649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 755535169 + 191324224 = 27487^2 + 13832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-946859393 is a prime.

It is a super-2 number, since 2×946859393² = 1793085420224656898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (946859383) 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, 473429696 + 473429697.

It is an arithmetic number, because the mean of its divisors is an integer number (473429697).

Almost surely, 2^946859393 is an apocalyptic number.

It is an amenable number.

946859393 is a deficient number, since it is larger than the sum of its proper divisors (1).

946859393 is an equidigital number, since it uses as much as digits as its factorization.

946859393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 56.

The square root of 946859393 is about 30771.0804652680. The cubic root of 946859393 is about 981.9630902016.

The spelling of 946859393 in words is "nine hundred forty-six million, eight hundred fifty-nine thousand, three hundred ninety-three".