2943387 has 12 divisors (see below), whose sum is σ = 4366960. Its totient is φ = 1909008.

The previous prime is 2943373. The next prime is 2943389. The reversal of 2943387 is 7833492.

It is not a de Polignac number, because 2943387 - 2⁴ = 2943371 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2943389) 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 11 ways as a sum of consecutive naturals, for example, 4087 + ... + 4752.

2^2943387 is an apocalyptic number.

2943387 is a deficient number, since it is larger than the sum of its proper divisors (1423573).

2943387 is a wasteful number, since it uses less digits than its factorization.

2943387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882 (or 8879 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2943387 is about 1715.6302049101. The cubic root of 2943387 is about 143.3119666486.

The spelling of 2943387 in words is "two million, nine hundred forty-three thousand, three hundred eighty-seven".