388268115 has 16 divisors (see below), whose sum is σ = 629980416. Its totient is φ = 204159200.

The previous prime is 388268077. The next prime is 388268131. The reversal of 388268115 is 511862883.

It is not a de Polignac number, because 388268115 - 2⁶ = 388268051 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181221 + ... + 183350.

It is an arithmetic number, because the mean of its divisors is an integer number (39373776).

Almost surely, 2^388268115 is an apocalyptic number.

388268115 is a deficient number, since it is larger than the sum of its proper divisors (241712301).

388268115 is a wasteful number, since it uses less digits than its factorization.

388268115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364650.

The product of its digits is 92160, while the sum is 42.

The square root of 388268115 is about 19704.5201667029. The cubic root of 388268115 is about 729.5312653615.

The spelling of 388268115 in words is "three hundred eighty-eight million, two hundred sixty-eight thousand, one hundred fifteen".