2647868 has 12 divisors (see below), whose sum is σ = 4759272. Its totient is φ = 1288080.

The previous prime is 2647847. The next prime is 2647873. The reversal of 2647868 is 8687462.

2647868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2647868² = 14022409890848, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 8798 + ... + 9093.

It is an arithmetic number, because the mean of its divisors is an integer number (396606).

2^2647868 is an apocalyptic number.

It is an amenable number.

2647868 is a deficient number, since it is larger than the sum of its proper divisors (2111404).

2647868 is a wasteful number, since it uses less digits than its factorization.

2647868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17932 (or 17930 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 2647868 is about 1627.2270892534. The cubic root of 2647868 is about 138.3456294613.

The spelling of 2647868 in words is "two million, six hundred forty-seven thousand, eight hundred sixty-eight".