2087728 has 10 divisors (see below), whose sum is σ = 4045004. Its totient is φ = 1043856.

The previous prime is 2087717. The next prime is 2087741. The reversal of 2087728 is 8277802.

It is a junction number, because it is equal to n+sod(n) for n = 2087693 and 2087702.

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, 65226 + ... + 65257.

2^2087728 is an apocalyptic number.

It is an amenable number.

2087728 is a deficient number, since it is larger than the sum of its proper divisors (1957276).

2087728 is a wasteful number, since it uses less digits than its factorization.

2087728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130491 (or 130485 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 2087728 is about 1444.8972281792. The cubic root of 2087728 is about 127.8079803142.

The spelling of 2087728 in words is "two million, eighty-seven thousand, seven hundred twenty-eight".