2064667 has 16 divisors (see below), whose sum is σ = 2437344. Its totient is φ = 1728000.

The previous prime is 2064653. The next prime is 2064679. The reversal of 2064667 is 7664602.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2064667 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 (2064067) 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 15 ways as a sum of consecutive naturals, for example, 11317 + ... + 11497.

It is an arithmetic number, because the mean of its divisors is an integer number (152334).

2^2064667 is an apocalyptic number.

2064667 is a deficient number, since it is larger than the sum of its proper divisors (372677).

2064667 is a wasteful number, since it uses less digits than its factorization.

2064667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2064667 is about 1436.8949161299. The cubic root of 2064667 is about 127.3356488040.

The spelling of 2064667 in words is "two million, sixty-four thousand, six hundred sixty-seven".