2739871 has 2 divisors, whose sum is σ = 2739872. Its totient is φ = 2739870.

The previous prime is 2739859. The next prime is 2739881. The reversal of 2739871 is 1789372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2739871 - 2¹⁹ = 2215583 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 7² + 3 + 9³ + 8⁷ + 7⁶ + 1 .

It is a self number, because there is not a number n which added to its sum of digits gives 2739871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2739881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369935 + 1369936.

It is an arithmetic number, because the mean of its divisors is an integer number (1369936).

2^2739871 is an apocalyptic number.

2739871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2739871 is an equidigital number, since it uses as much as digits as its factorization.

2739871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 37.

The square root of 2739871 is about 1655.2555693910. The cubic root of 2739871 is about 139.9297436607.

The spelling of 2739871 in words is "two million, seven hundred thirty-nine thousand, eight hundred seventy-one".