388080745 has 16 divisors (see below), whose sum is σ = 501942672. Its totient is φ = 286341120.

The previous prime is 388080727. The next prime is 388080751. The reversal of 388080745 is 547080883.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 69672409 + 318408336 = 8347^2 + 17844^2 .

It is not a de Polignac number, because 388080745 - 2¹¹ = 388078697 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 122785 + ... + 125905.

It is an arithmetic number, because the mean of its divisors is an integer number (31371417).

Almost surely, 2^388080745 is an apocalyptic number.

It is an amenable number.

388080745 is a deficient number, since it is larger than the sum of its proper divisors (113861927).

388080745 is a wasteful number, since it uses less digits than its factorization.

388080745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052.

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 388080745 is about 19699.7651001224. The cubic root of 388080745 is about 729.4138943472.

The spelling of 388080745 in words is "three hundred eighty-eight million, eighty thousand, seven hundred forty-five".