2943427 has 2 divisors, whose sum is σ = 2943428. Its totient is φ = 2943426.

The previous prime is 2943403. The next prime is 2943467. The reversal of 2943427 is 7243492.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2943427 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 9³ + 4² + 3¹⁰ + 4⁹ + 2²¹ + 7² .

2943427 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2943467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471713 + 1471714.

It is an arithmetic number, because the mean of its divisors is an integer number (1471714).

2^2943427 is an apocalyptic number.

2943427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2943427 is an equidigital number, since it uses as much as digits as its factorization.

2943427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 2943427 is about 1715.6418623944. The cubic root of 2943427 is about 143.3126158386.

It can be divided in two parts, 294 and 3427, that added together give a square (3721 = 61²).

The spelling of 2943427 in words is "two million, nine hundred forty-three thousand, four hundred twenty-seven".