6390937 has 4 divisors (see below), whose sum is σ = 7303936. Its totient is φ = 5477940.

The previous prime is 6390907. The next prime is 6390947. The reversal of 6390937 is 7390936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6390937 - 2¹⁵ = 6358169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6390896 and 6390905.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456489 + ... + 456502.

It is an arithmetic number, because the mean of its divisors is an integer number (1825984).

Almost surely, 2^6390937 is an apocalyptic number.

It is an amenable number.

6390937 is a deficient number, since it is larger than the sum of its proper divisors (912999).

6390937 is an equidigital number, since it uses as much as digits as its factorization.

6390937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912998.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 6390937 is about 2528.0302608948. The cubic root of 6390937 is about 185.5758729444.

Subtracting 6390937 from its reverse (7390936), we obtain a palindrome (999999).

The spelling of 6390937 in words is "six million, three hundred ninety thousand, nine hundred thirty-seven".