6389960 has 32 divisors (see below), whose sum is σ = 15224760. Its totient is φ = 2405376.

The previous prime is 6389959. The next prime is 6389963. The reversal of 6389960 is 699836.

It can be written as a sum of positive squares in 4 ways, for example, as 3912484 + 2477476 = 1978^2 + 1574^2 .

It is not an unprimeable number, because it can be changed into a prime (6389963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4019 + ... + 5378.

Almost surely, 2^6389960 is an apocalyptic number.

It is an amenable number.

6389960 is an abundant number, since it is smaller than the sum of its proper divisors (8834800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6389960 is a wasteful number, since it uses less digits than its factorization.

6389960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9425 (or 9421 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 6389960 is about 2527.8370200628. The cubic root of 6389960 is about 185.5664159656.

The spelling of 6389960 in words is "six million, three hundred eighty-nine thousand, nine hundred sixty".