446264393 has 2 divisors, whose sum is σ = 446264394. Its totient is φ = 446264392.

The previous prime is 446264353. The next prime is 446264407. The reversal of 446264393 is 393462644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419307529 + 26956864 = 20477^2 + 5192^2 .

It is a cyclic number.

It is not a de Polignac number, because 446264393 - 2¹⁰ = 446263369 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 446264393.

It is not a weakly prime, because it can be changed into another prime (446264303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223132196 + 223132197.

It is an arithmetic number, because the mean of its divisors is an integer number (223132197).

Almost surely, 2^446264393 is an apocalyptic number.

It is an amenable number.

446264393 is a deficient number, since it is larger than the sum of its proper divisors (1).

446264393 is an equidigital number, since it uses as much as digits as its factorization.

446264393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 41.

The square root of 446264393 is about 21124.9708402166. The cubic root of 446264393 is about 764.1830702844.

The spelling of 446264393 in words is "four hundred forty-six million, two hundred sixty-four thousand, three hundred ninety-three".