2944869 has 4 divisors (see below), whose sum is σ = 3926496. Its totient is φ = 1963244.

The previous prime is 2944861. The next prime is 2944891. The reversal of 2944869 is 9684492.

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 a cyclic number.

It is not a de Polignac number, because 2944869 - 2³ = 2944861 is a prime.

It is a super-3 number, since 3×2944869³ = 76615950833370560727, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2944869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2944861) 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, 490809 + ... + 490814.

It is an arithmetic number, because the mean of its divisors is an integer number (981624).

2^2944869 is an apocalyptic number.

It is an amenable number.

2944869 is a deficient number, since it is larger than the sum of its proper divisors (981627).

2944869 is an equidigital number, since it uses as much as digits as its factorization.

2944869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981626.

The product of its digits is 124416, while the sum is 42.

The square root of 2944869 is about 1716.0620618148. The cubic root of 2944869 is about 143.3360152133.

The spelling of 2944869 in words is "two million, nine hundred forty-four thousand, eight hundred sixty-nine".