2943420 has 24 divisors (see below), whose sum is σ = 8241744. Its totient is φ = 784896.

The previous prime is 2943403. The next prime is 2943427. The reversal of 2943420 is 243492.

It is a happy number.

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 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, 24469 + ... + 24588.

It is an arithmetic number, because the mean of its divisors is an integer number (343406).

2^2943420 is an apocalyptic number.

2943420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2943420 is an abundant number, since it is smaller than the sum of its proper divisors (5298324).

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

2943420 is a wasteful number, since it uses less digits than its factorization.

2943420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49069 (or 49067 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2943420 is about 1715.6398223403. The cubic root of 2943420 is about 143.3125022308.

The spelling of 2943420 in words is "two million, nine hundred forty-three thousand, four hundred twenty".