6490917 has 6 divisors (see below), whose sum is σ = 9375782. Its totient is φ = 4327272.

The previous prime is 6490909. The next prime is 6490921. The reversal of 6490917 is 7190946.

6490917 is a `hidden beast` number, since 649 + 0 + 9 + 1 + 7 = 666.

6490917 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3272481 + 3218436 = 1809^2 + 1794^2 .

It is not a de Polignac number, because 6490917 - 2³ = 6490909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 360598 + ... + 360615.

Almost surely, 2^6490917 is an apocalyptic number.

It is an amenable number.

6490917 is a deficient number, since it is larger than the sum of its proper divisors (2884865).

6490917 is a wasteful number, since it uses less digits than its factorization.

6490917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721219 (or 721216 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 6490917 is about 2547.7278112075. The cubic root of 6490917 is about 186.5385880904.

The spelling of 6490917 in words is "six million, four hundred ninety thousand, nine hundred seventeen".