2091072 has 28 divisors (see below), whose sum is σ = 5533136. Its totient is φ = 696960.

The previous prime is 2091053. The next prime is 2091097. The reversal of 2091072 is 2701902.

It is a happy number.

2091072 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5254 + ... + 5637.

It is an arithmetic number, because the mean of its divisors is an integer number (197612).

2^2091072 is an apocalyptic number.

It is an amenable number.

2091072 is an abundant number, since it is smaller than the sum of its proper divisors (3442064).

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

2091072 is a wasteful number, since it uses less digits than its factorization.

2091072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10906 (or 10896 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 2091072 is about 1446.0539409026. The cubic root of 2091072 is about 127.8761823500.

Adding to 2091072 its reverse (2701902), we get a palindrome (4792974).

The spelling of 2091072 in words is "two million, ninety-one thousand, seventy-two".