2844040 has 32 divisors (see below), whose sum is σ = 6473880. Its totient is φ = 1124352.

The previous prime is 2844031. The next prime is 2844043. The reversal of 2844040 is 404482.

It can be written as a sum of positive squares in 4 ways, for example, as 2762244 + 81796 = 1662^2 + 286^2 .

It is not an unprimeable number, because it can be changed into a prime (2844043) 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, 3514 + ... + 4246.

2^2844040 is an apocalyptic number.

2844040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2844040 is an abundant number, since it is smaller than the sum of its proper divisors (3629840).

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

2844040 is a wasteful number, since it uses less digits than its factorization.

2844040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2844040 is about 1686.4281781327. The cubic root of 2844040 is about 141.6810934942.

The spelling of 2844040 in words is "two million, eight hundred forty-four thousand, forty".