2655867 has 4 divisors (see below), whose sum is σ = 3541160. Its totient is φ = 1770576.

The previous prime is 2655853. The next prime is 2655881. The reversal of 2655867 is 7685562.

It is a happy number.

2655867 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.

It is an interprime number because it is at equal distance from previous prime (2655853) and next prime (2655881).

It is not a de Polignac number, because 2655867 - 2⁶ = 2655803 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655817) 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, 442642 + ... + 442647.

It is an arithmetic number, because the mean of its divisors is an integer number (885290).

2^2655867 is an apocalyptic number.

2655867 is a deficient number, since it is larger than the sum of its proper divisors (885293).

2655867 is an equidigital number, since it uses as much as digits as its factorization.

2655867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885292.

The product of its digits is 100800, while the sum is 39.

The square root of 2655867 is about 1629.6830980286. The cubic root of 2655867 is about 138.4847998193.

The spelling of 2655867 in words is "two million, six hundred fifty-five thousand, eight hundred sixty-seven".