2943984 has 20 divisors (see below), whose sum is σ = 7605416. Its totient is φ = 981312.

The previous prime is 2943971. The next prime is 2944003. The reversal of 2943984 is 4893492.

It is a congruent number.

It is an unprimeable number.

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, 30619 + ... + 30714.

2^2943984 is an apocalyptic number.

2943984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2943984 is an abundant number, since it is smaller than the sum of its proper divisors (4661432).

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

2943984 is a wasteful number, since it uses less digits than its factorization.

2943984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61344 (or 61338 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 2943984 is about 1715.8041846318. The cubic root of 2943984 is about 143.3216551990.

It can be divided in two parts, 294 and 3984, that added together give a triangular number (4278 = T₉₂).

The spelling of 2943984 in words is "two million, nine hundred forty-three thousand, nine hundred eighty-four".