388240368 has 40 divisors (see below), whose sum is σ = 1046563968. Its totient is φ = 123786432.

The previous prime is 388240331. The next prime is 388240403. The reversal of 388240368 is 863042883.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174730 + ... + 176937.

Almost surely, 2^388240368 is an apocalyptic number.

It is an amenable number.

388240368 is an abundant number, since it is smaller than the sum of its proper divisors (658323600).

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

388240368 is a wasteful number, since it uses less digits than its factorization.

388240368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351701 (or 351695 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 388240368 is about 19703.8160770953. The cubic root of 388240368 is about 729.5138866606.

The spelling of 388240368 in words is "three hundred eighty-eight million, two hundred forty thousand, three hundred sixty-eight".