6390006 has 32 divisors (see below), whose sum is σ = 14681088. Its totient is φ = 1816320.

The previous prime is 6390001. The next prime is 6390029. The reversal of 6390006 is 6000936.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6390001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14611 + ... + 15041.

It is an arithmetic number, because the mean of its divisors is an integer number (458784).

Almost surely, 2^6390006 is an apocalyptic number.

6390006 is an abundant number, since it is smaller than the sum of its proper divisors (8291082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6390006 is a wasteful number, since it uses less digits than its factorization.

6390006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 6390006 is about 2527.8461187343. The cubic root of 6390006 is about 185.5668612493.

The spelling of 6390006 in words is "six million, three hundred ninety thousand, six".