2073644 has 6 divisors (see below), whose sum is σ = 3628884. Its totient is φ = 1036820.

The previous prime is 2073619. The next prime is 2073647. The reversal of 2073644 is 4463702.

It is a happy number.

2073644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2073647) 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 as a sum of consecutive naturals, namely, 259202 + ... + 259209.

It is an arithmetic number, because the mean of its divisors is an integer number (604814).

2^2073644 is an apocalyptic number.

It is an amenable number.

2073644 is a deficient number, since it is larger than the sum of its proper divisors (1555240).

2073644 is a wasteful number, since it uses less digits than its factorization.

2073644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518415 (or 518413 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 2073644 is about 1440.0152776967. The cubic root of 2073644 is about 127.5199302434.

The spelling of 2073644 in words is "two million, seventy-three thousand, six hundred forty-four".