2064655 has 12 divisors (see below), whose sum is σ = 2571192. Its totient is φ = 1591520.

The previous prime is 2064653. The next prime is 2064679. The reversal of 2064655 is 5564602.

It is not a de Polignac number, because 2064655 - 2¹ = 2064653 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 (2064653) 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 11 ways as a sum of consecutive naturals, for example, 3960 + ... + 4450.

It is an arithmetic number, because the mean of its divisors is an integer number (214266).

2^2064655 is an apocalyptic number.

2064655 is a deficient number, since it is larger than the sum of its proper divisors (506537).

2064655 is an equidigital number, since it uses as much as digits as its factorization.

2064655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2064655 is about 1436.8907404531. The cubic root of 2064655 is about 127.3354021088.

The spelling of 2064655 in words is "two million, sixty-four thousand, six hundred fifty-five".