6490988 has 12 divisors (see below), whose sum is σ = 12982032. Its totient is φ = 2781840.

The previous prime is 6490973. The next prime is 6490999. The reversal of 6490988 is 8890946.

6490988 is an admirable number.

It is a super-2 number, since 2×6490988² = 84265850432288, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 115883 + ... + 115938.

It is an arithmetic number, because the mean of its divisors is an integer number (1081836).

Almost surely, 2^6490988 is an apocalyptic number.

It is an amenable number.

6490988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6490988 is a wasteful number, since it uses less digits than its factorization.

6490988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231832 (or 231830 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 6490988 is about 2547.7417451539. The cubic root of 6490988 is about 186.5392682301.

The spelling of 6490988 in words is "six million, four hundred ninety thousand, nine hundred eighty-eight".