2064646 has 8 divisors (see below), whose sum is σ = 3149640. Its totient is φ = 1014768.

The previous prime is 2064619. The next prime is 2064649. The reversal of 2064646 is 6464602.

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

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 3 ways as a sum of consecutive naturals, for example, 8631 + ... + 8866.

It is an arithmetic number, because the mean of its divisors is an integer number (393705).

2^2064646 is an apocalyptic number.

2064646 is a deficient number, since it is larger than the sum of its proper divisors (1084994).

2064646 is a wasteful number, since it uses less digits than its factorization.

2064646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17558.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2064646 is about 1436.8876086876. The cubic root of 2064646 is about 127.3352170867.

The spelling of 2064646 in words is "two million, sixty-four thousand, six hundred forty-six".