6490556 has 6 divisors (see below), whose sum is σ = 11358480. Its totient is φ = 3245276.

The previous prime is 6490543. The next prime is 6490567. The reversal of 6490556 is 6550946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 811316 + ... + 811323.

It is an arithmetic number, because the mean of its divisors is an integer number (1893080).

Almost surely, 2^6490556 is an apocalyptic number.

It is an amenable number.

6490556 is a deficient number, since it is larger than the sum of its proper divisors (4867924).

6490556 is a wasteful number, since it uses less digits than its factorization.

6490556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622643 (or 1622641 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 6490556 is about 2547.6569627797. The cubic root of 6490556 is about 186.5351298385.

The spelling of 6490556 in words is "six million, four hundred ninety thousand, five hundred fifty-six".