2913943 has 2 divisors, whose sum is σ = 2913944. Its totient is φ = 2913942.

The previous prime is 2913929. The next prime is 2913961. The reversal of 2913943 is 3493192.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2913943 - 2⁹ = 2913431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2913913) 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 as a sum of consecutive naturals, namely, 1456971 + 1456972.

It is an arithmetic number, because the mean of its divisors is an integer number (1456972).

2^2913943 is an apocalyptic number.

2913943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2913943 is an equidigital number, since it uses as much as digits as its factorization.

2913943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 2913943 is about 1707.0275334628. The cubic root of 2913943 is about 142.8324933185.

The spelling of 2913943 in words is "two million, nine hundred thirteen thousand, nine hundred forty-three".