388621676 has 6 divisors (see below), whose sum is σ = 680087940. Its totient is φ = 194310836.

The previous prime is 388621669. The next prime is 388621679. The reversal of 388621676 is 676126883.

It is a self number, because there is not a number n which added to its sum of digits gives 388621676.

It is not an unprimeable number, because it can be changed into a prime (388621679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48577706 + ... + 48577713.

It is an arithmetic number, because the mean of its divisors is an integer number (113347990).

Almost surely, 2^388621676 is an apocalyptic number.

It is an amenable number.

388621676 is a deficient number, since it is larger than the sum of its proper divisors (291466264).

388621676 is a wasteful number, since it uses less digits than its factorization.

388621676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97155423 (or 97155421 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 388621676 is about 19713.4896961446. The cubic root of 388621676 is about 729.7526377765.

The spelling of 388621676 in words is "three hundred eighty-eight million, six hundred twenty-one thousand, six hundred seventy-six".