6390983 has 2 divisors, whose sum is σ = 6390984. Its totient is φ = 6390982.

The previous prime is 6390971. The next prime is 6391009. The reversal of 6390983 is 3890936.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6390983 - 2¹⁰ = 6389959 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6390953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3195491 + 3195492.

It is an arithmetic number, because the mean of its divisors is an integer number (3195492).

Almost surely, 2^6390983 is an apocalyptic number.

6390983 is a deficient number, since it is larger than the sum of its proper divisors (1).

6390983 is an equidigital number, since it uses as much as digits as its factorization.

6390983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 6390983 is about 2528.0393588708. The cubic root of 6390983 is about 185.5763181827.

The spelling of 6390983 in words is "six million, three hundred ninety thousand, nine hundred eighty-three".