388865103 has 8 divisors (see below), whose sum is σ = 565622016. Its totient is φ = 235675800.

The previous prime is 388865069. The next prime is 388865107. The reversal of 388865103 is 301568883.

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

It is not a de Polignac number, because 388865103 - 2⁹ = 388864591 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388865107) 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 in 7 ways as a sum of consecutive naturals, for example, 5891863 + ... + 5891928.

It is an arithmetic number, because the mean of its divisors is an integer number (70702752).

Almost surely, 2^388865103 is an apocalyptic number.

388865103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

388865103 is a deficient number, since it is larger than the sum of its proper divisors (176756913).

388865103 is a wasteful number, since it uses less digits than its factorization.

388865103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11783805.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 388865103 is about 19719.6628520875. The cubic root of 388865103 is about 729.9049748080.

The spelling of 388865103 in words is "three hundred eighty-eight million, eight hundred sixty-five thousand, one hundred three".