2706491 has 4 divisors (see below), whose sum is σ = 2710032. Its totient is φ = 2702952.

The previous prime is 2706481. The next prime is 2706503. The reversal of 2706491 is 1946072.

2706491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2706491 - 2⁶ = 2706427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2706481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95 + ... + 2328.

It is an arithmetic number, because the mean of its divisors is an integer number (677508).

2^2706491 is an apocalyptic number.

2706491 is a deficient number, since it is larger than the sum of its proper divisors (3541).

2706491 is a wasteful number, since it uses less digits than its factorization.

2706491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2706491 is about 1645.1416352400. The cubic root of 2706491 is about 139.3591629401.

The spelling of 2706491 in words is "two million, seven hundred six thousand, four hundred ninety-one".