2000728 has 8 divisors (see below), whose sum is σ = 3751380. Its totient is φ = 1000360.

The previous prime is 2000717. The next prime is 2000731. The reversal of 2000728 is 8270002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 125038 + ... + 125053.

2^2000728 is an apocalyptic number.

It is an amenable number.

2000728 is a deficient number, since it is larger than the sum of its proper divisors (1750652).

2000728 is a wasteful number, since it uses less digits than its factorization.

2000728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250097 (or 250093 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2000728 is about 1414.4709258235. The cubic root of 2000728 is about 126.0073901771.

The spelling of 2000728 in words is "two million, seven hundred twenty-eight", and thus it is an aban number.