388081768 has 16 divisors (see below), whose sum is σ = 727940160. Its totient is φ = 193964400.

The previous prime is 388081717. The next prime is 388081787. The reversal of 388081768 is 867180883.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16033 + ... + 32143.

It is an arithmetic number, because the mean of its divisors is an integer number (45496260).

Almost surely, 2^388081768 is an apocalyptic number.

It is an amenable number.

388081768 is a deficient number, since it is larger than the sum of its proper divisors (339858392).

388081768 is a wasteful number, since it uses less digits than its factorization.

388081768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19128 (or 19124 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 388081768 is about 19699.7910648819. The cubic root of 388081768 is about 729.4145352703.

The spelling of 388081768 in words is "three hundred eighty-eight million, eighty-one thousand, seven hundred sixty-eight".