2944845 has 24 divisors (see below), whose sum is σ = 5271552. Its totient is φ = 1519200.

The previous prime is 2944841. The next prime is 2944847. The reversal of 2944845 is 5484492.

It is not a de Polignac number, because 2944845 - 2² = 2944841 is a prime.

It is a super-2 number, since 2×2944845² = 17344224148050, which contains 22 as substring.

2944845 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2944841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340 + ... + 2450.

It is an arithmetic number, because the mean of its divisors is an integer number (219648).

2^2944845 is an apocalyptic number.

It is an amenable number.

2944845 is a deficient number, since it is larger than the sum of its proper divisors (2326707).

2944845 is a wasteful number, since it uses less digits than its factorization.

2944845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2150 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2944845 is about 1716.0550690464. The cubic root of 2944845 is about 143.3356258272.

The spelling of 2944845 in words is "two million, nine hundred forty-four thousand, eight hundred forty-five".