2805244 has 24 divisors (see below), whose sum is σ = 5366480. Its totient is φ = 1275264.

The previous prime is 2805233. The next prime is 2805247. The reversal of 2805244 is 4425082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805247) 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, 3427 + ... + 4165.

2^2805244 is an apocalyptic number.

It is an amenable number.

2805244 is a deficient number, since it is larger than the sum of its proper divisors (2561236).

2805244 is a wasteful number, since it uses less digits than its factorization.

2805244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2805244 is about 1674.8862647953. The cubic root of 2805244 is about 141.0339103256.

The spelling of 2805244 in words is "two million, eight hundred five thousand, two hundred forty-four".