2172060 has 72 divisors (see below), whose sum is σ = 7194096. Its totient is φ = 526080.

The previous prime is 2172047. The next prime is 2172067. The reversal of 2172060 is 602712.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1432 + ... + 2528.

It is an arithmetic number, because the mean of its divisors is an integer number (99918).

2^2172060 is an apocalyptic number.

2172060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2172060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3597048).

2172060 is an abundant number, since it is smaller than the sum of its proper divisors (5022036).

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

2172060 is a wasteful number, since it uses less digits than its factorization.

2172060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2172060 is about 1473.7910299632. The cubic root of 2172060 is about 129.5062135826.

Adding to 2172060 its reverse (602712), we get a palindrome (2774772).

The spelling of 2172060 in words is "two million, one hundred seventy-two thousand, sixty".