2191060 has 24 divisors (see below), whose sum is σ = 4669056. Its totient is φ = 863520.

The previous prime is 2191051. The next prime is 2191067. The reversal of 2191060 is 601912.

2191060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2191067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649 + ... + 2191.

It is an arithmetic number, because the mean of its divisors is an integer number (194544).

2^2191060 is an apocalyptic number.

2191060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2191060 is an abundant number, since it is smaller than the sum of its proper divisors (2477996).

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

2191060 is a wasteful number, since it uses less digits than its factorization.

2191060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 2191060 is about 1480.2229561792. Note that the first 3 decimals coincide. The cubic root of 2191060 is about 129.8827344900.

Adding to 2191060 its reverse (601912), we get a palindrome (2792972).

The spelling of 2191060 in words is "two million, one hundred ninety-one thousand, sixty".