6390674 has 16 divisors (see below), whose sum is σ = 10255896. Its totient is φ = 2976000.

The previous prime is 6390653. The next prime is 6390679. The reversal of 6390674 is 4760936.

It can be written as a sum of positive squares in 4 ways, for example, as 5726449 + 664225 = 2393^2 + 815^2 .

It is not an unprimeable number, because it can be changed into a prime (6390679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2504 + ... + 4364.

Almost surely, 2^6390674 is an apocalyptic number.

6390674 is a deficient number, since it is larger than the sum of its proper divisors (3865222).

6390674 is a wasteful number, since it uses less digits than its factorization.

6390674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 6390674 is about 2527.9782435773. The cubic root of 6390674 is about 185.5733273018.

The spelling of 6390674 in words is "six million, three hundred ninety thousand, six hundred seventy-four".