388085745 has 16 divisors (see below), whose sum is σ = 640968192. Its totient is φ = 200302080.

The previous prime is 388085717. The next prime is 388085749. The reversal of 388085745 is 547580883.

It is not a de Polignac number, because 388085745 - 2⁵ = 388085713 is a prime.

It is a super-3 number, since 3×388085745³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 388085694 and 388085703.

It is not an unprimeable number, because it can be changed into a prime (388085749) 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, 416832 + ... + 417761.

It is an arithmetic number, because the mean of its divisors is an integer number (40060512).

Almost surely, 2^388085745 is an apocalyptic number.

It is an amenable number.

388085745 is a deficient number, since it is larger than the sum of its proper divisors (252882447).

388085745 is a wasteful number, since it uses less digits than its factorization.

388085745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834632.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 388085745 is about 19699.8920047801. The cubic root of 388085745 is about 729.4170269031.

The spelling of 388085745 in words is "three hundred eighty-eight million, eighty-five thousand, seven hundred forty-five".