2655986 has 8 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 1325428.

The previous prime is 2655977. The next prime is 2656009. The reversal of 2655986 is 6895562.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515 + ... + 2361.

It is an arithmetic number, because the mean of its divisors is an integer number (498960).

2^2655986 is an apocalyptic number.

2655986 is a deficient number, since it is larger than the sum of its proper divisors (1335694).

2655986 is a wasteful number, since it uses less digits than its factorization.

2655986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568.

The product of its digits is 129600, while the sum is 41.

The square root of 2655986 is about 1629.7196077853. The cubic root of 2655986 is about 138.4868681264.

The spelling of 2655986 in words is "two million, six hundred fifty-five thousand, nine hundred eighty-six".