2943836 has 12 divisors (see below), whose sum is σ = 5887728. Its totient is φ = 1261632.

The previous prime is 2943833. The next prime is 2943859. The reversal of 2943836 is 6383492.

It is a happy number.

2943836 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2943796 and 2943805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943833) 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 3 ways as a sum of consecutive naturals, for example, 52541 + ... + 52596.

It is an arithmetic number, because the mean of its divisors is an integer number (490644).

2^2943836 is an apocalyptic number.

It is an amenable number.

2943836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2943836 is a wasteful number, since it uses less digits than its factorization.

2943836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105148 (or 105146 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 2943836 is about 1715.7610556252. The cubic root of 2943836 is about 143.3192534694.

The spelling of 2943836 in words is "two million, nine hundred forty-three thousand, eight hundred thirty-six".