2939243 has 12 divisors (see below), whose sum is σ = 3207960. Its totient is φ = 2685312.

The previous prime is 2939231. The next prime is 2939257. The reversal of 2939243 is 3429392.

It is not a de Polignac number, because 2939243 - 2⁴ = 2939227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2939213) 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, 25955 + ... + 26067.

It is an arithmetic number, because the mean of its divisors is an integer number (267330).

2^2939243 is an apocalyptic number.

2939243 is a deficient number, since it is larger than the sum of its proper divisors (268717).

2939243 is a wasteful number, since it uses less digits than its factorization.

2939243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 169 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 2939243 is about 1714.4220600541. The cubic root of 2939243 is about 143.2446786661.

The spelling of 2939243 in words is "two million, nine hundred thirty-nine thousand, two hundred forty-three".