2708091 has 18 divisors (see below), whose sum is σ = 4031820. Its totient is φ = 1751520.

The previous prime is 2708077. The next prime is 2708099. The reversal of 2708091 is 1908072.

It is a de Polignac number, because none of the positive numbers 2^k-2708091 is a prime.

2708091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2708099) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15040 + ... + 15218.

It is an arithmetic number, because the mean of its divisors is an integer number (223990).

2^2708091 is an apocalyptic number.

2708091 is a deficient number, since it is larger than the sum of its proper divisors (1323729).

2708091 is a wasteful number, since it uses less digits than its factorization.

2708091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 2708091 is about 1645.6278437119. The cubic root of 2708091 is about 139.3866192462.

The spelling of 2708091 in words is "two million, seven hundred eight thousand, ninety-one".