2943156 has 24 divisors (see below), whose sum is σ = 6985440. Its totient is φ = 964192.

The previous prime is 2943137. The next prime is 2943167. The reversal of 2943156 is 6513492.

2943156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371 + ... + 2786.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

2^2943156 is an apocalyptic number.

It is an amenable number.

2943156 is an abundant number, since it is smaller than the sum of its proper divisors (4042284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2943156 is a wasteful number, since it uses less digits than its factorization.

2943156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223 (or 4221 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 2943156 is about 1715.5628813891. The cubic root of 2943156 is about 143.3082174609.

Subtracting from 2943156 its product of digits (6480), we obtain a triangular number (2936676 = T₂₄₂₃).

The spelling of 2943156 in words is "two million, nine hundred forty-three thousand, one hundred fifty-six".