2044664 has 16 divisors (see below), whose sum is σ = 3849120. Its totient is φ = 1018240.

The previous prime is 2044661. The next prime is 2044673. The reversal of 2044664 is 4664402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3152 + ... + 3744.

It is an arithmetic number, because the mean of its divisors is an integer number (240570).

2^2044664 is an apocalyptic number.

It is an amenable number.

2044664 is a deficient number, since it is larger than the sum of its proper divisors (1804456).

2044664 is a wasteful number, since it uses less digits than its factorization.

2044664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2044664 is about 1429.9174801365. The cubic root of 2044664 is about 126.9230939512.

The spelling of 2044664 in words is "two million, forty-four thousand, six hundred sixty-four".