2943424 has 56 divisors (see below), whose sum is σ = 6601968. Its totient is φ = 1290240.

The previous prime is 2943403. The next prime is 2943427. The reversal of 2943424 is 4243492.

2943424 = 49³ + 50³ + ... + 64³.

It is a junction number, because it is equal to n+sod(n) for n = 2943392 and 2943401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25992 + ... + 26104.

2^2943424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2943424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3300984).

2943424 is an abundant number, since it is smaller than the sum of its proper divisors (3658544).

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

2943424 is a wasteful number, since it uses less digits than its factorization.

2943424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 163 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 2943424 is about 1715.6409880858. The cubic root of 2943424 is about 143.3125671496.

The spelling of 2943424 in words is "two million, nine hundred forty-three thousand, four hundred twenty-four".