2872771 has 8 divisors (see below), whose sum is σ = 3153600. Its totient is φ = 2595240.

The previous prime is 2872763. The next prime is 2872777. The reversal of 2872771 is 1772782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2872771 - 2³ = 2872763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2872777) 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 7 ways as a sum of consecutive naturals, for example, 1240 + ... + 2698.

It is an arithmetic number, because the mean of its divisors is an integer number (394200).

2^2872771 is an apocalyptic number.

2872771 is a deficient number, since it is larger than the sum of its proper divisors (280829).

2872771 is a wasteful number, since it uses less digits than its factorization.

2872771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its digits is 10976, while the sum is 34.

The square root of 2872771 is about 1694.9250720902. The cubic root of 2872771 is about 142.1565917844.

The spelling of 2872771 in words is "two million, eight hundred seventy-two thousand, seven hundred seventy-one".