389080850 has 12 divisors (see below), whose sum is σ = 723690474. Its totient is φ = 155632320.

The previous prime is 389080831. The next prime is 389080889. The reversal of 389080850 is 58080983.

It can be written as a sum of positive squares in 3 ways, for example, as 178569769 + 210511081 = 13363^2 + 14509^2 .

It is a junction number, because it is equal to n+sod(n) for n = 389080798 and 389080807.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3890759 + ... + 3890858.

Almost surely, 2^389080850 is an apocalyptic number.

389080850 is a deficient number, since it is larger than the sum of its proper divisors (334609624).

389080850 is a wasteful number, since it uses less digits than its factorization.

389080850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781629 (or 7781624 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 389080850 is about 19725.1324456897. The cubic root of 389080850 is about 730.0399365153.

The spelling of 389080850 in words is "three hundred eighty-nine million, eighty thousand, eight hundred fifty".