2944309 has 8 divisors (see below), whose sum is σ = 3044952. Its totient is φ = 2845440.

The previous prime is 2944307. The next prime is 2944321. The reversal of 2944309 is 9034492.

It can be written as a sum of positive squares in 4 ways, for example, as 88209 + 2856100 = 297^2 + 1690^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2944309 - 2¹ = 2944307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2944301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3489 + ... + 4249.

It is an arithmetic number, because the mean of its divisors is an integer number (380619).

2^2944309 is an apocalyptic number.

It is an amenable number.

2944309 is a deficient number, since it is larger than the sum of its proper divisors (100643).

2944309 is an equidigital number, since it uses as much as digits as its factorization.

2944309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2944309 is about 1715.8988897951. The cubic root of 2944309 is about 143.3269289849.

The spelling of 2944309 in words is "two million, nine hundred forty-four thousand, three hundred nine".