2064566 has 12 divisors (see below), whose sum is σ = 3602628. Its totient is φ = 884772.

The previous prime is 2064551. The next prime is 2064571. The reversal of 2064566 is 6654602.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10436 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (300219).

2^2064566 is an apocalyptic number.

2064566 is a deficient number, since it is larger than the sum of its proper divisors (1538062).

2064566 is a wasteful number, since it uses less digits than its factorization.

2064566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21083 (or 21076 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2064566 is about 1436.8597704717. The cubic root of 2064566 is about 127.3335724223. Note that the first 3 decimals are identical.

The spelling of 2064566 in words is "two million, sixty-four thousand, five hundred sixty-six".