385801663 has 8 divisors (see below), whose sum is σ = 415761248. Its totient is φ = 355882464.

The previous prime is 385801657. The next prime is 385801667. The reversal of 385801663 is 366108583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385801663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385801667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11470 + ... + 30052.

It is an arithmetic number, because the mean of its divisors is an integer number (51970156).

Almost surely, 2^385801663 is an apocalyptic number.

385801663 is a deficient number, since it is larger than the sum of its proper divisors (29959585).

385801663 is a wasteful number, since it uses less digits than its factorization.

385801663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20193.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 385801663 is about 19641.8345120816. The cubic root of 385801663 is about 727.9832135716.

The spelling of 385801663 in words is "three hundred eighty-five million, eight hundred one thousand, six hundred sixty-three".