6491118 has 8 divisors (see below), whose sum is σ = 12982248. Its totient is φ = 2163704.

The previous prime is 6491117. The next prime is 6491119. The reversal of 6491118 is 8111946.

It is an interprime number because it is at equal distance from previous prime (6491117) and next prime (6491119).

It is a sphenic number, since it is the product of 3 distinct primes.

6491118 is an admirable number.

It is a super-2 number, since 2×6491118² = 84269225779848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540921 + ... + 540932.

It is an arithmetic number, because the mean of its divisors is an integer number (1622781).

Almost surely, 2^6491118 is an apocalyptic number.

6491118 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.

6491118 is a wasteful number, since it uses less digits than its factorization.

6491118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081858.

The product of its digits is 1728, while the sum is 30.

The square root of 6491118 is about 2547.7672578161. The cubic root of 6491118 is about 186.5405135435.

The spelling of 6491118 in words is "six million, four hundred ninety-one thousand, one hundred eighteen".