2091096 has 80 divisors (see below), whose sum is σ = 6708240. Its totient is φ = 596160.

The previous prime is 2091053. The next prime is 2091097. The reversal of 2091096 is 6901902.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091097) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4306 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (83853).

2^2091096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2091096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3354120).

2091096 is an abundant number, since it is smaller than the sum of its proper divisors (4617144).

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

2091096 is a wasteful number, since it uses less digits than its factorization.

2091096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2091096 is about 1446.0622393244. The cubic root of 2091096 is about 127.8766715754.

Adding to 2091096 its reverse (6901902), we get a palindrome (8992998).

The spelling of 2091096 in words is "two million, ninety-one thousand, ninety-six".