6491798 has 12 divisors (see below), whose sum is σ = 10012212. Its totient is φ = 3156840.

The previous prime is 6491783. The next prime is 6491813. The reversal of 6491798 is 8971946.

It is an interprime number because it is at equal distance from previous prime (6491783) and next prime (6491813).

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 in 5 ways as a sum of consecutive naturals, for example, 1553 + ... + 3923.

It is an arithmetic number, because the mean of its divisors is an integer number (834351).

Almost surely, 2^6491798 is an apocalyptic number.

6491798 is a deficient number, since it is larger than the sum of its proper divisors (3520414).

6491798 is a wasteful number, since it uses less digits than its factorization.

6491798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447 (or 2410 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 6491798 is about 2547.9007045016. The cubic root of 6491798 is about 186.5470272196.

The spelling of 6491798 in words is "six million, four hundred ninety-one thousand, seven hundred ninety-eight".