385244663 has 2 divisors, whose sum is σ = 385244664. Its totient is φ = 385244662.

The previous prime is 385244659. The next prime is 385244677. The reversal of 385244663 is 366442583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385244663 - 2² = 385244659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385244663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385244653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192622331 + 192622332.

It is an arithmetic number, because the mean of its divisors is an integer number (192622332).

Almost surely, 2^385244663 is an apocalyptic number.

385244663 is a deficient number, since it is larger than the sum of its proper divisors (1).

385244663 is an equidigital number, since it uses as much as digits as its factorization.

385244663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 41.

The square root of 385244663 is about 19627.6504707008. The cubic root of 385244663 is about 727.6327036373.

The spelling of 385244663 in words is "three hundred eighty-five million, two hundred forty-four thousand, six hundred sixty-three".