2729871 has 24 divisors (see below), whose sum is σ = 4127760. Its totient is φ = 1737216.

The previous prime is 2729869. The next prime is 2729887. The reversal of 2729871 is 1789272.

It is not a de Polignac number, because 2729871 - 2¹ = 2729869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729861) 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 23 ways as a sum of consecutive naturals, for example, 28095 + ... + 28191.

It is an arithmetic number, because the mean of its divisors is an integer number (171990).

2^2729871 is an apocalyptic number.

2729871 is a deficient number, since it is larger than the sum of its proper divisors (1397889).

2729871 is a wasteful number, since it uses less digits than its factorization.

2729871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 212 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 2729871 is about 1652.2321265488. The cubic root of 2729871 is about 139.7592972801.

It can be divided in two parts, 2729 and 871, that added together give a square (3600 = 60²).

The spelling of 2729871 in words is "two million, seven hundred twenty-nine thousand, eight hundred seventy-one".