2944863 has 16 divisors (see below), whose sum is σ = 4514400. Its totient is φ = 1895040.

The previous prime is 2944861. The next prime is 2944891. The reversal of 2944863 is 3684492.

It is a happy number.

It is not a de Polignac number, because 2944863 - 2¹ = 2944861 is a prime.

2944863 is a lucky number.

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 15 ways as a sum of consecutive naturals, for example, 1098 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (282150).

2^2944863 is an apocalyptic number.

2944863 is a deficient number, since it is larger than the sum of its proper divisors (1569537).

2944863 is a wasteful number, since it uses less digits than its factorization.

2944863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799 (or 3793 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2944863 is about 1716.0603136254. The cubic root of 2944863 is about 143.3359178670.

The spelling of 2944863 in words is "two million, nine hundred forty-four thousand, eight hundred sixty-three".