388944411 has 16 divisors (see below), whose sum is σ = 560784384. Its totient is φ = 238849664.

The previous prime is 388944403. The next prime is 388944419. The reversal of 388944411 is 114449883.

It is an interprime number because it is at equal distance from previous prime (388944403) and next prime (388944419).

It is a cyclic number.

It is not a de Polignac number, because 388944411 - 2³ = 388944403 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 not an unprimeable number, because it can be changed into a prime (388944419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78735 + ... + 83528.

It is an arithmetic number, because the mean of its divisors is an integer number (35049024).

Almost surely, 2^388944411 is an apocalyptic number.

388944411 is a deficient number, since it is larger than the sum of its proper divisors (171839973).

388944411 is a wasteful number, since it uses less digits than its factorization.

388944411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162330.

The product of its digits is 110592, while the sum is 42.

The square root of 388944411 is about 19721.6736358758. The cubic root of 388944411 is about 729.9545921590.

The spelling of 388944411 in words is "three hundred eighty-eight million, nine hundred forty-four thousand, four hundred eleven".