6390967 has 4 divisors (see below), whose sum is σ = 6971976. Its totient is φ = 5809960.

The previous prime is 6390953. The next prime is 6390971. The reversal of 6390967 is 7690936.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6390967 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6390907) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 290488 + ... + 290509.

It is an arithmetic number, because the mean of its divisors is an integer number (1742994).

Almost surely, 2^6390967 is an apocalyptic number.

6390967 is a deficient number, since it is larger than the sum of its proper divisors (581009).

6390967 is a wasteful number, since it uses less digits than its factorization.

6390967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581008.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 6390967 is about 2528.0361943611. The cubic root of 6390967 is about 185.5761633175.

The spelling of 6390967 in words is "six million, three hundred ninety thousand, nine hundred sixty-seven".