2687244 has 24 divisors (see below), whose sum is σ = 7166208. Its totient is φ = 767760.

The previous prime is 2687239. The next prime is 2687249. The reversal of 2687244 is 4427862.

It is an interprime number because it is at equal distance from previous prime (2687239) and next prime (2687249).

It is not an unprimeable number, because it can be changed into a prime (2687249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15912 + ... + 16079.

It is an arithmetic number, because the mean of its divisors is an integer number (298592).

2^2687244 is an apocalyptic number.

It is an amenable number.

2687244 is an abundant number, since it is smaller than the sum of its proper divisors (4478964).

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

2687244 is a wasteful number, since it uses less digits than its factorization.

2687244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32005 (or 32003 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 2687244 is about 1639.2815499480. The cubic root of 2687244 is about 139.0280294733.

The spelling of 2687244 in words is "two million, six hundred eighty-seven thousand, two hundred forty-four".