2943739 has 2 divisors, whose sum is σ = 2943740. Its totient is φ = 2943738.

The previous prime is 2943713. The next prime is 2943749. The reversal of 2943739 is 9373492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2943739 - 2¹¹ = 2941691 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 9 + 4⁷ + 3⁴ + 7⁷ + 3⁸ + 9 .

It is a junction number, because it is equal to n+sod(n) for n = 2943698 and 2943707.

It is not a weakly prime, because it can be changed into another prime (2943749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471869 + 1471870.

It is an arithmetic number, because the mean of its divisors is an integer number (1471870).

2^2943739 is an apocalyptic number.

2943739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2943739 is an equidigital number, since it uses as much as digits as its factorization.

2943739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 37.

The square root of 2943739 is about 1715.7327880530. The cubic root of 2943739 is about 143.3176793192.

The spelling of 2943739 in words is "two million, nine hundred forty-three thousand, seven hundred thirty-nine".