2944263 has 12 divisors (see below), whose sum is σ = 4566840. Its totient is φ = 1682352.

The previous prime is 2944243. The next prime is 2944289. The reversal of 2944263 is 3624492.

It is not a de Polignac number, because 2944263 - 2⁵ = 2944231 is a prime.

It is a super-2 number, since 2×2944263² = 17337369226338, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2944263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2944243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9868 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (380570).

2^2944263 is an apocalyptic number.

2944263 is a deficient number, since it is larger than the sum of its proper divisors (1622577).

2944263 is a wasteful number, since it uses less digits than its factorization.

2944263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20046 (or 20039 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 2944263 is about 1715.8854856895. The cubic root of 2944263 is about 143.3261825650.

The spelling of 2944263 in words is "two million, nine hundred forty-four thousand, two hundred sixty-three".