6490986 has 16 divisors (see below), whose sum is σ = 13063584. Its totient is φ = 2150064.

The previous prime is 6490973. The next prime is 6490999. The reversal of 6490986 is 6890946.

It is an interprime number because it is at equal distance from previous prime (6490973) and next prime (6490999).

It is a Curzon 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 in 7 ways as a sum of consecutive naturals, for example, 2341 + ... + 4296.

It is an arithmetic number, because the mean of its divisors is an integer number (816474).

Almost surely, 2^6490986 is an apocalyptic number.

6490986 is an abundant number, since it is smaller than the sum of its proper divisors (6572598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6490986 is a wasteful number, since it uses less digits than its factorization.

6490986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 6490986 is about 2547.7413526494. The cubic root of 6490986 is about 186.5392490713.

The spelling of 6490986 in words is "six million, four hundred ninety thousand, nine hundred eighty-six".