2872155 has 48 divisors (see below), whose sum is σ = 5481216. Its totient is φ = 1272960.

The previous prime is 2872153. The next prime is 2872183. The reversal of 2872155 is 5512782.

It is not a de Polignac number, because 2872155 - 2¹ = 2872153 is a prime.

2872155 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2872151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27834 + ... + 27936.

It is an arithmetic number, because the mean of its divisors is an integer number (114192).

2^2872155 is an apocalyptic number.

2872155 is a deficient number, since it is larger than the sum of its proper divisors (2609061).

2872155 is a wasteful number, since it uses less digits than its factorization.

2872155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 135 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 2872155 is about 1694.7433434004. The cubic root of 2872155 is about 142.1464303154.

It can be divided in two parts, 287 and 2155, that added together give a palindrome (2442).

The spelling of 2872155 in words is "two million, eight hundred seventy-two thousand, one hundred fifty-five".