2938143 has 8 divisors (see below), whose sum is σ = 4218928. Its totient is φ = 1808064.

The previous prime is 2938129. The next prime is 2938163. The reversal of 2938143 is 3418392.

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

It is not a de Polignac number, because 2938143 - 2⁶ = 2938079 is a prime.

It is a Duffinian number.

2938143 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2938143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938123) 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, 37630 + ... + 37707.

It is an arithmetic number, because the mean of its divisors is an integer number (527366).

2^2938143 is an apocalyptic number.

2938143 is a deficient number, since it is larger than the sum of its proper divisors (1280785).

2938143 is a wasteful number, since it uses less digits than its factorization.

2938143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75353.

The product of its digits is 5184, while the sum is 30.

The square root of 2938143 is about 1714.1012222153. The cubic root of 2938143 is about 143.2268068527.

Subtracting 2938143 from its reverse (3418392), we obtain a square (480249 = 693²).

It can be divided in two parts, 2938 and 143, that added together give a triangular number (3081 = T₇₈).

The spelling of 2938143 in words is "two million, nine hundred thirty-eight thousand, one hundred forty-three".