2650728 has 32 divisors (see below), whose sum is σ = 6976800. Its totient is φ = 836928.

The previous prime is 2650699. The next prime is 2650751. The reversal of 2650728 is 8270562.

It is a junction number, because it is equal to n+sod(n) for n = 2650695 and 2650704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2451 + ... + 3362.

It is an arithmetic number, because the mean of its divisors is an integer number (218025).

2^2650728 is an apocalyptic number.

It is an amenable number.

2650728 is an abundant number, since it is smaller than the sum of its proper divisors (4326072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2650728 is a wasteful number, since it uses less digits than its factorization.

2650728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841 (or 5837 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2650728 is about 1628.1056476777. The cubic root of 2650728 is about 138.3954212347.

The spelling of 2650728 in words is "two million, six hundred fifty thousand, seven hundred twenty-eight".