2084644 has 6 divisors (see below), whose sum is σ = 3648134. Its totient is φ = 1042320.

The previous prime is 2084639. The next prime is 2084653. The reversal of 2084644 is 4464802.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 262144 = 1350^2 + 512^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 260577 + ... + 260584.

2^2084644 is an apocalyptic number.

It is an amenable number.

2084644 is a deficient number, since it is larger than the sum of its proper divisors (1563490).

2084644 is a wasteful number, since it uses less digits than its factorization.

2084644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521165 (or 521163 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 2084644 is about 1443.8296298386. The cubic root of 2084644 is about 127.7450164837.

The spelling of 2084644 in words is "two million, eighty-four thousand, six hundred forty-four".