6491268 has 36 divisors (see below), whose sum is σ = 18753280. Its totient is φ = 1854576.

The previous prime is 6491257. The next prime is 6491299. The reversal of 6491268 is 8621946.

6491268 is a `hidden beast` number, since 649 + 1 + 2 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12628 + ... + 13131.

Almost surely, 2^6491268 is an apocalyptic number.

It is an amenable number.

6491268 is an abundant number, since it is smaller than the sum of its proper divisors (12262012).

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

6491268 is a wasteful number, since it uses less digits than its factorization.

6491268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25776 (or 25771 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 6491268 is about 2547.7966951859. The cubic root of 6491268 is about 186.5419504230.

It can be divided in two parts, 64912 and 68, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 6491268 in words is "six million, four hundred ninety-one thousand, two hundred sixty-eight".