2091070 has 16 divisors (see below), whose sum is σ = 3821328. Its totient is φ = 823680.

The previous prime is 2091053. The next prime is 2091097. The reversal of 2091070 is 701902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891 + ... + 2230.

It is an arithmetic number, because the mean of its divisors is an integer number (238833).

2^2091070 is an apocalyptic number.

2091070 is a deficient number, since it is larger than the sum of its proper divisors (1730258).

2091070 is a wasteful number, since it uses less digits than its factorization.

2091070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 2091070 is about 1446.0532493653. The cubic root of 2091070 is about 127.8761415810.

Adding to 2091070 its reverse (701902), we get a palindrome (2792972).

The spelling of 2091070 in words is "two million, ninety-one thousand, seventy".