6493986 has 32 divisors (see below), whose sum is σ = 14520000. Its totient is φ = 2151360.

The previous prime is 6493969. The next prime is 6494021. The reversal of 6493986 is 6893946.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12765 + ... + 13263.

It is an arithmetic number, because the mean of its divisors is an integer number (453750).

Almost surely, 2^6493986 is an apocalyptic number.

6493986 is an abundant number, since it is smaller than the sum of its proper divisors (8026014).

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

6493986 is a wasteful number, since it uses less digits than its factorization.

6493986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 745 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 6493986 is about 2548.3300414193. The cubic root of 6493986 is about 186.5679828443.

It can be divided in two parts, 64939 and 86, that added together give a square (65025 = 255²).

The spelling of 6493986 in words is "six million, four hundred ninety-three thousand, nine hundred eighty-six".