2691055 has 16 divisors (see below), whose sum is σ = 3402720. Its totient is φ = 2040192.

The previous prime is 2691053. The next prime is 2691061. The reversal of 2691055 is 5501962.

It is a cyclic number.

It is not a de Polignac number, because 2691055 - 2¹ = 2691053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9577 + ... + 9853.

It is an arithmetic number, because the mean of its divisors is an integer number (212670).

2^2691055 is an apocalyptic number.

2691055 is a deficient number, since it is larger than the sum of its proper divisors (711665).

2691055 is a wasteful number, since it uses less digits than its factorization.

2691055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 2691055 is about 1640.4435375837. The cubic root of 2691055 is about 139.0937207602.

The spelling of 2691055 in words is "two million, six hundred ninety-one thousand, fifty-five".