2748871 has 4 divisors (see below), whose sum is σ = 2774200. Its totient is φ = 2723544.

The previous prime is 2748859. The next prime is 2748919. The reversal of 2748871 is 1788472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2748871 - 2¹⁷ = 2617799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2748871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748371) 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 3 ways as a sum of consecutive naturals, for example, 12501 + ... + 12718.

It is an arithmetic number, because the mean of its divisors is an integer number (693550).

2^2748871 is an apocalyptic number.

2748871 is a deficient number, since it is larger than the sum of its proper divisors (25329).

2748871 is a wasteful number, since it uses less digits than its factorization.

2748871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25328.

The product of its digits is 25088, while the sum is 37.

The square root of 2748871 is about 1657.9719539244. The cubic root of 2748871 is about 140.0827911666.

The spelling of 2748871 in words is "two million, seven hundred forty-eight thousand, eight hundred seventy-one".