2655791 has 8 divisors (see below), whose sum is σ = 2909520. Its totient is φ = 2412928.

The previous prime is 2655781. The next prime is 2655797. The reversal of 2655791 is 1975562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2655791 - 2⁶ = 2655727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201 + ... + 3186.

It is an arithmetic number, because the mean of its divisors is an integer number (363690).

2^2655791 is an apocalyptic number.

2655791 is a deficient number, since it is larger than the sum of its proper divisors (253729).

2655791 is a wasteful number, since it uses less digits than its factorization.

2655791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433.

The product of its digits is 18900, while the sum is 35.

The square root of 2655791 is about 1629.6597804450. The cubic root of 2655791 is about 138.4834788514.

The spelling of 2655791 in words is "two million, six hundred fifty-five thousand, seven hundred ninety-one".