2172084 has 24 divisors (see below), whose sum is σ = 5093088. Its totient is φ = 720480.

The previous prime is 2172083. The next prime is 2172089. The reversal of 2172084 is 4802712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172083) 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, 3519 + ... + 4089.

It is an arithmetic number, because the mean of its divisors is an integer number (212212).

2^2172084 is an apocalyptic number.

It is an amenable number.

2172084 is an abundant number, since it is smaller than the sum of its proper divisors (2921004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2172084 is a wasteful number, since it uses less digits than its factorization.

2172084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2172084 is about 1473.7991722077. The cubic root of 2172084 is about 129.5066905703.

Adding to 2172084 its reverse (4802712), we get a palindrome (6974796).

The spelling of 2172084 in words is "two million, one hundred seventy-two thousand, eighty-four".