389880808 has 16 divisors (see below), whose sum is σ = 748857060. Its totient is φ = 190185600.

The previous prime is 389880763. The next prime is 389880823. The reversal of 389880808 is 808088983.

It can be written as a sum of positive squares in 2 ways, for example, as 319622884 + 70257924 = 17878^2 + 8382^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 594003 + ... + 594658.

Almost surely, 2^389880808 is an apocalyptic number.

It is an amenable number.

389880808 is a deficient number, since it is larger than the sum of its proper divisors (358976252).

389880808 is a wasteful number, since it uses less digits than its factorization.

389880808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188708 (or 1188704 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 52.

The square root of 389880808 is about 19745.3996667578. The cubic root of 389880808 is about 730.5399195777.

The spelling of 389880808 in words is "three hundred eighty-nine million, eight hundred eighty thousand, eight hundred eight".