2073556 has 6 divisors (see below), whose sum is σ = 3628730. Its totient is φ = 1036776.

The previous prime is 2073521. The next prime is 2073563. The reversal of 2073556 is 6553702.

It can be written as a sum of positive squares in only one way, i.e., 1245456 + 828100 = 1116^2 + 910^2 .

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259191 + ... + 259198.

2^2073556 is an apocalyptic number.

It is an amenable number.

2073556 is a deficient number, since it is larger than the sum of its proper divisors (1555174).

2073556 is a wasteful number, since it uses less digits than its factorization.

2073556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518393 (or 518391 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 2073556 is about 1439.9847221412. The cubic root of 2073556 is about 127.5181263477.

The spelling of 2073556 in words is "two million, seventy-three thousand, five hundred fifty-six".