2249868 has 18 divisors (see below), whose sum is σ = 5261844. Its totient is φ = 748224.

The previous prime is 2249867. The next prime is 2249911. The reversal of 2249868 is 8689422.

It is not an unprimeable number, because it can be changed into a prime (2249861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4980 + ... + 5412.

2^2249868 is an apocalyptic number.

It is an amenable number.

2249868 is an abundant number, since it is smaller than the sum of its proper divisors (3011976).

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

2249868 is an equidigital number, since it uses as much as digits as its factorization.

2249868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 438 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 2249868 is about 1499.9559993546. The cubic root of 2249868 is about 131.0345071576.

The spelling of 2249868 in words is "two million, two hundred forty-nine thousand, eight hundred sixty-eight".