6390965 has 8 divisors (see below), whose sum is σ = 8764800. Its totient is φ = 4382352.

The previous prime is 6390953. The next prime is 6390971. The reversal of 6390965 is 5690936.

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 6390965 - 2⁴ = 6390949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91265 + ... + 91334.

It is an arithmetic number, because the mean of its divisors is an integer number (1095600).

Almost surely, 2^6390965 is an apocalyptic number.

It is an amenable number.

6390965 is a deficient number, since it is larger than the sum of its proper divisors (2373835).

6390965 is a wasteful number, since it uses less digits than its factorization.

6390965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182611.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 6390965 is about 2528.0357987972. The cubic root of 6390965 is about 185.5761439593.

The spelling of 6390965 in words is "six million, three hundred ninety thousand, nine hundred sixty-five".