388886344 has 48 divisors (see below), whose sum is σ = 925328880. Its totient is φ = 151512480.

The previous prime is 388886341. The next prime is 388886359. The reversal of 388886344 is 443688883.

It is a junction number, because it is equal to n+sod(n) for n = 388886291 and 388886300.

It is not an unprimeable number, because it can be changed into a prime (388886341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40782 + ... + 49405.

It is an arithmetic number, because the mean of its divisors is an integer number (19277685).

Almost surely, 2^388886344 is an apocalyptic number.

It is an amenable number.

388886344 is an abundant number, since it is smaller than the sum of its proper divisors (536442536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388886344 is a wasteful number, since it uses less digits than its factorization.

388886344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90218 (or 90207 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 52.

The square root of 388886344 is about 19720.2014188497. The cubic root of 388886344 is about 729.9182644460.

The spelling of 388886344 in words is "three hundred eighty-eight million, eight hundred eighty-six thousand, three hundred forty-four".