2687267 has 4 divisors (see below), whose sum is σ = 2931576. Its totient is φ = 2442960.

The previous prime is 2687261. The next prime is 2687281. The reversal of 2687267 is 7627862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2687267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2687267.

It is not an unprimeable number, because it can be changed into a prime (2687261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122138 + ... + 122159.

It is an arithmetic number, because the mean of its divisors is an integer number (732894).

2^2687267 is an apocalyptic number.

2687267 is a deficient number, since it is larger than the sum of its proper divisors (244309).

2687267 is a wasteful number, since it uses less digits than its factorization.

2687267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244308.

The product of its digits is 56448, while the sum is 38.

The square root of 2687267 is about 1639.2885652014. The cubic root of 2687267 is about 139.0284261171.

The spelling of 2687267 in words is "two million, six hundred eighty-seven thousand, two hundred sixty-seven".