2844561 has 4 divisors (see below), whose sum is σ = 3792752. Its totient is φ = 1896372.

The previous prime is 2844557. The next prime is 2844587. The reversal of 2844561 is 1654482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2844561 - 2² = 2844557 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2844461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474091 + ... + 474096.

It is an arithmetic number, because the mean of its divisors is an integer number (948188).

2^2844561 is an apocalyptic number.

It is an amenable number.

2844561 is a deficient number, since it is larger than the sum of its proper divisors (948191).

2844561 is an equidigital number, since it uses as much as digits as its factorization.

2844561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948190.

The product of its digits is 7680, while the sum is 30.

The square root of 2844561 is about 1686.5826395407. The cubic root of 2844561 is about 141.6897444910.

The spelling of 2844561 in words is "two million, eight hundred forty-four thousand, five hundred sixty-one".