6390289 has 8 divisors (see below), whose sum is σ = 6804000. Its totient is φ = 5984352.

The previous prime is 6390281. The next prime is 6390313. The reversal of 6390289 is 9820936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6390289 - 2³ = 6390281 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6390281) 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, 199 + ... + 3580.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^6390289 is an apocalyptic number.

It is an amenable number.

6390289 is a deficient number, since it is larger than the sum of its proper divisors (413711).

6390289 is a wasteful number, since it uses less digits than its factorization.

6390289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 6390289 is about 2527.9020946231. The cubic root of 6390289 is about 185.5696006649.

The spelling of 6390289 in words is "six million, three hundred ninety thousand, two hundred eighty-nine".