2175849 has 16 divisors (see below), whose sum is σ = 3472000. Its totient is φ = 1338768.

The previous prime is 2175827. The next prime is 2175851. The reversal of 2175849 is 9485712.

It is not a de Polignac number, because 2175849 - 2⁷ = 2175721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2175889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2749 + ... + 3450.

It is an arithmetic number, because the mean of its divisors is an integer number (217000).

2^2175849 is an apocalyptic number.

It is an amenable number.

2175849 is a deficient number, since it is larger than the sum of its proper divisors (1296151).

2175849 is a wasteful number, since it uses less digits than its factorization.

2175849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221 (or 6215 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2175849 is about 1475.0759302490. The cubic root of 2175849 is about 129.5814745468.

The spelling of 2175849 in words is "two million, one hundred seventy-five thousand, eight hundred forty-nine".