2091060 has 36 divisors (see below), whose sum is σ = 6343428. Its totient is φ = 557568.

The previous prime is 2091053. The next prime is 2091097. The reversal of 2091060 is 601902.

It can be written as a sum of positive squares in 2 ways, for example, as 736164 + 1354896 = 858^2 + 1164^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5629 + ... + 5988.

2^2091060 is an apocalyptic number.

2091060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2091060 is an abundant number, since it is smaller than the sum of its proper divisors (4252368).

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

2091060 is a wasteful number, since it uses less digits than its factorization.

2091060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11632 (or 11627 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2091060 is about 1446.0497916739. The cubic root of 2091060 is about 127.8759377359.

Adding to 2091060 its reverse (601902), we get a palindrome (2692962).

The spelling of 2091060 in words is "two million, ninety-one thousand, sixty".