2646655 has 8 divisors (see below), whose sum is σ = 3464784. Its totient is φ = 1924800.

The previous prime is 2646653. The next prime is 2646659. The reversal of 2646655 is 5566462.

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

It is not a de Polignac number, because 2646655 - 2¹ = 2646653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2646655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646653) 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, 24006 + ... + 24115.

It is an arithmetic number, because the mean of its divisors is an integer number (433098).

2^2646655 is an apocalyptic number.

2646655 is a deficient number, since it is larger than the sum of its proper divisors (818129).

2646655 is a wasteful number, since it uses less digits than its factorization.

2646655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48137.

The product of its digits is 43200, while the sum is 34.

The square root of 2646655 is about 1626.8543266070. The cubic root of 2646655 is about 138.3245006538.

The spelling of 2646655 in words is "two million, six hundred forty-six thousand, six hundred fifty-five".