6389316 has 18 divisors (see below), whose sum is σ = 16150862. Its totient is φ = 2129760.

The previous prime is 6389303. The next prime is 6389333. The reversal of 6389316 is 6139836.

It is a happy number.

6389316 is a `hidden beast` number, since 638 + 9 + 3 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5904900 + 484416 = 2430^2 + 696^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 177481 = 6389316 / (6 + 3 + 8 + 9 + 3 + 1 + 6).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88705 + ... + 88776.

Almost surely, 2^6389316 is an apocalyptic number.

It is an amenable number.

6389316 is an abundant number, since it is smaller than the sum of its proper divisors (9761546).

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

6389316 is a wasteful number, since it uses less digits than its factorization.

6389316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177491 (or 177486 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 6389316 is about 2527.7096352232. The cubic root of 6389316 is about 185.5601817697.

The spelling of 6389316 in words is "six million, three hundred eighty-nine thousand, three hundred sixteen".