2943493 has 4 divisors (see below), whose sum is σ = 3364000. Its totient is φ = 2522988.

The previous prime is 2943491. The next prime is 2943503. The reversal of 2943493 is 3943492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2943493 - 2¹ = 2943491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2943491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210243 + ... + 210256.

It is an arithmetic number, because the mean of its divisors is an integer number (841000).

2^2943493 is an apocalyptic number.

It is an amenable number.

2943493 is a deficient number, since it is larger than the sum of its proper divisors (420507).

2943493 is an equidigital number, since it uses as much as digits as its factorization.

2943493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420506.

The product of its digits is 23328, while the sum is 34.

The square root of 2943493 is about 1715.6610970702. The cubic root of 2943493 is about 143.3136869894.

Subtracting 2943493 from its reverse (3943492), we obtain a palindrome (999999).

The spelling of 2943493 in words is "two million, nine hundred forty-three thousand, four hundred ninety-three".