388161883 has 4 divisors (see below), whose sum is σ = 397629288. Its totient is φ = 378694480.

The previous prime is 388161871. The next prime is 388161913.

388161883 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388161883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388161863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4733641 + ... + 4733722.

It is an arithmetic number, because the mean of its divisors is an integer number (99407322).

Almost surely, 2^388161883 is an apocalyptic number.

388161883 is a deficient number, since it is larger than the sum of its proper divisors (9467405).

388161883 is an equidigital number, since it uses as much as digits as its factorization.

388161883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9467404.

The product of its digits is 221184, while the sum is 46.

The square root of 388161883 is about 19701.8243571503. The cubic root of 388161883 is about 729.4647248863.

The spelling of 388161883 in words is "three hundred eighty-eight million, one hundred sixty-one thousand, eight hundred eighty-three".