388003161 has 96 divisors (see below), whose sum is σ = 699138048. Its totient is φ = 186157440.

The previous prime is 388003157. The next prime is 388003181. The reversal of 388003161 is 161300883.

It is not a de Polignac number, because 388003161 - 2² = 388003157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (388003181) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3055080 + ... + 3055206.

It is an arithmetic number, because the mean of its divisors is an integer number (7282688).

Almost surely, 2^388003161 is an apocalyptic number.

388003161 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

388003161 is a deficient number, since it is larger than the sum of its proper divisors (311134887).

388003161 is a wasteful number, since it uses less digits than its factorization.

388003161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 388003161 is about 19697.7958411595. The cubic root of 388003161 is about 729.3652836565.

The spelling of 388003161 in words is "three hundred eighty-eight million, three thousand, one hundred sixty-one".