2871955 has 8 divisors (see below), whose sum is σ = 3498192. Its totient is φ = 2263008.

The previous prime is 2871937. The next prime is 2871959. The reversal of 2871955 is 5591782.

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 2871955 - 2²¹ = 774803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2871959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3952 + ... + 4621.

It is an arithmetic number, because the mean of its divisors is an integer number (437274).

2^2871955 is an apocalyptic number.

2871955 is a deficient number, since it is larger than the sum of its proper divisors (626237).

2871955 is an equidigital number, since it uses as much as digits as its factorization.

2871955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8645.

The product of its digits is 25200, while the sum is 37.

The square root of 2871955 is about 1694.6843363883. The cubic root of 2871955 is about 142.1431308247.

The spelling of 2871955 in words is "two million, eight hundred seventy-one thousand, nine hundred fifty-five".