2249808 has 40 divisors (see below), whose sum is σ = 6341856. Its totient is φ = 681600.

The previous prime is 2249783. The next prime is 2249813. The reversal of 2249808 is 8089422.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1603 + ... + 2658.

2^2249808 is an apocalyptic number.

It is an amenable number.

2249808 is an abundant number, since it is smaller than the sum of its proper divisors (4092048).

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

2249808 is a wasteful number, since it uses less digits than its factorization.

2249808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4283 (or 4277 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2249808 is about 1499.9359986346. The cubic root of 2249808 is about 131.0333423278.

The spelling of 2249808 in words is "two million, two hundred forty-nine thousand, eight hundred eight".