6490549 has 16 divisors (see below), whose sum is σ = 7584192. Its totient is φ = 5499648.

The previous prime is 6490543. The next prime is 6490567. The reversal of 6490549 is 9450946.

It is a cyclic number.

It is not a de Polignac number, because 6490549 - 2⁹ = 6490037 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 (6490543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9162 + ... + 9844.

It is an arithmetic number, because the mean of its divisors is an integer number (474012).

Almost surely, 2^6490549 is an apocalyptic number.

It is an amenable number.

6490549 is a deficient number, since it is larger than the sum of its proper divisors (1093643).

6490549 is a wasteful number, since it uses less digits than its factorization.

6490549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6490549 is about 2547.6555889680. The cubic root of 6490549 is about 186.5350627797.

The spelling of 6490549 in words is "six million, four hundred ninety thousand, five hundred forty-nine".