2064647 has 8 divisors (see below), whose sum is σ = 2236080. Its totient is φ = 1895040.

The previous prime is 2064619. The next prime is 2064649. The reversal of 2064647 is 7464602.

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 2064647 - 2⁶ = 2064583 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 0 + 6⁵ + 4⁸ + 6⁸ + 4⁹ + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064649) 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, 2804 + ... + 3462.

It is an arithmetic number, because the mean of its divisors is an integer number (279510).

2^2064647 is an apocalyptic number.

2064647 is a deficient number, since it is larger than the sum of its proper divisors (171433).

2064647 is a wasteful number, since it uses less digits than its factorization.

2064647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 2064647 is about 1436.8879566619. The cubic root of 2064647 is about 127.3352376447.

The spelling of 2064647 in words is "two million, sixty-four thousand, six hundred forty-seven".