388161 has 24 divisors (see below), whose sum is σ = 617760. Its totient is φ = 233856.

The previous prime is 388159. The next prime is 388163. The reversal of 388161 is 161883.

It is an interprime number because it is at equal distance from previous prime (388159) and next prime (388163).

It is not a de Polignac number, because 388161 - 2¹ = 388159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (388163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6550 + ... + 6608.

It is an arithmetic number, because the mean of its divisors is an integer number (25740).

2³⁸⁸¹⁶¹ is an apocalyptic number.

It is an amenable number.

388161 is a deficient number, since it is larger than the sum of its proper divisors (229599).

388161 is a wasteful number, since it uses less digits than its factorization.

388161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 122 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 388161 is about 623.0256816537. The cubic root of 388161 is about 72.9464171751.

The spelling of 388161 in words is "three hundred eighty-eight thousand, one hundred sixty-one".