2944921 has 16 divisors (see below), whose sum is σ = 3542400. Its totient is φ = 2395008.

The previous prime is 2944919. The next prime is 2944933. The reversal of 2944921 is 1294492.

It is a happy number.

It is not a de Polignac number, because 2944921 - 2¹ = 2944919 is a prime.

It is a Duffinian number.

Its product of digits (5184) is a multiple of the sum of its prime divisors (288).

It is not an unprimeable number, because it can be changed into a prime (2944021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17986 + ... + 18148.

It is an arithmetic number, because the mean of its divisors is an integer number (221400).

2^2944921 is an apocalyptic number.

It is an amenable number.

2944921 is a deficient number, since it is larger than the sum of its proper divisors (597479).

2944921 is a wasteful number, since it uses less digits than its factorization.

2944921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its digits is 5184, while the sum is 31.

The square root of 2944921 is about 1716.0772127151. The cubic root of 2944921 is about 143.3368588761.

The spelling of 2944921 in words is "two million, nine hundred forty-four thousand, nine hundred twenty-one".