388473648 has 40 divisors (see below), whose sum is σ = 1035933696. Its totient is φ = 125313600.

The previous prime is 388473643. The next prime is 388473649. The reversal of 388473648 is 846374883.

It is a self number, because there is not a number n which added to its sum of digits gives 388473648.

It is not an unprimeable number, because it can be changed into a prime (388473643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129048 + ... + 132023.

Almost surely, 2^388473648 is an apocalyptic number.

It is an amenable number.

388473648 is an abundant number, since it is smaller than the sum of its proper divisors (647460048).

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

388473648 is a wasteful number, since it uses less digits than its factorization.

388473648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261113 (or 261107 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 51.

The square root of 388473648 is about 19709.7348536199. The cubic root of 388473648 is about 729.6599704956.

The spelling of 388473648 in words is "three hundred eighty-eight million, four hundred seventy-three thousand, six hundred forty-eight".