6390794 has 4 divisors (see below), whose sum is σ = 9586194. Its totient is φ = 3195396.

The previous prime is 6390763. The next prime is 6390799. The reversal of 6390794 is 4970936.

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

It can be written as a sum of positive squares in only one way, i.e., 6315169 + 75625 = 2513^2 + 275^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6390799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1597697 + ... + 1597700.

Almost surely, 2^6390794 is an apocalyptic number.

6390794 is a deficient number, since it is larger than the sum of its proper divisors (3195400).

6390794 is a wasteful number, since it uses less digits than its factorization.

6390794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195399.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 6390794 is about 2528.0019778473. The cubic root of 6390794 is about 185.5744888204.

The spelling of 6390794 in words is "six million, three hundred ninety thousand, seven hundred ninety-four".