388692897 has 16 divisors (see below), whose sum is σ = 522700800. Its totient is φ = 256915152.

The previous prime is 388692883. The next prime is 388692917. The reversal of 388692897 is 798296883.

It is not a de Polignac number, because 388692897 - 2⁷ = 388692769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 388692897.

It is not an unprimeable number, because it can be changed into a prime (388692497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292248 + ... + 293574.

It is an arithmetic number, because the mean of its divisors is an integer number (32668800).

Almost surely, 2^388692897 is an apocalyptic number.

It is an amenable number.

388692897 is a deficient number, since it is larger than the sum of its proper divisors (134007903).

388692897 is a wasteful number, since it uses less digits than its factorization.

388692897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092.

The product of its digits is 10450944, while the sum is 60.

The square root of 388692897 is about 19715.2960160379. The cubic root of 388692897 is about 729.7972145814.

The spelling of 388692897 in words is "three hundred eighty-eight million, six hundred ninety-two thousand, eight hundred ninety-seven".