384228663 has 64 divisors (see below), whose sum is σ = 659914752. Its totient is φ = 193415040.

The previous prime is 384228661. The next prime is 384228701. The reversal of 384228663 is 366822483.

It is not a de Polignac number, because 384228663 - 2¹ = 384228661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384228661) 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 in 63 ways as a sum of consecutive naturals, for example, 702156 + ... + 702702.

It is an arithmetic number, because the mean of its divisors is an integer number (10311168).

Almost surely, 2^384228663 is an apocalyptic number.

384228663 is a deficient number, since it is larger than the sum of its proper divisors (275686089).

384228663 is a wasteful number, since it uses less digits than its factorization.

384228663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684.

The product of its digits is 331776, while the sum is 42.

The square root of 384228663 is about 19601.7515288813. The cubic root of 384228663 is about 726.9924822017.

The spelling of 384228663 in words is "three hundred eighty-four million, two hundred twenty-eight thousand, six hundred sixty-three".