2172092 has 12 divisors (see below), whose sum is σ = 4093656. Its totient is φ = 1002480.

The previous prime is 2172091. The next prime is 2172109. The reversal of 2172092 is 2902712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20834 + ... + 20937.

It is an arithmetic number, because the mean of its divisors is an integer number (341138).

2^2172092 is an apocalyptic number.

It is an amenable number.

2172092 is a deficient number, since it is larger than the sum of its proper divisors (1921564).

2172092 is a wasteful number, since it uses less digits than its factorization.

2172092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41788 (or 41786 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2172092 is about 1473.8018862792. The cubic root of 2172092 is about 129.5068495654.

It can be divided in two parts, 21720 and 92, that added together give a palindrome (21812).

The spelling of 2172092 in words is "two million, one hundred seventy-two thousand, ninety-two".