388897368 has 32 divisors (see below), whose sum is σ = 979906560. Its totient is φ = 128610720.

The previous prime is 388897361. The next prime is 388897373. The reversal of 388897368 is 863798883.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388897361) 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, 60748 + ... + 66843.

It is an arithmetic number, because the mean of its divisors is an integer number (30622080).

Almost surely, 2^388897368 is an apocalyptic number.

It is an amenable number.

388897368 is an abundant number, since it is smaller than the sum of its proper divisors (591009192).

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

388897368 is a wasteful number, since it uses less digits than its factorization.

388897368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127727 (or 127723 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The square root of 388897368 is about 19720.4809271985. The cubic root of 388897368 is about 729.9251615279.

The spelling of 388897368 in words is "three hundred eighty-eight million, eight hundred ninety-seven thousand, three hundred sixty-eight".