5728047 has 16 divisors (see below), whose sum is σ = 8278368. Its totient is φ = 3502080.

The previous prime is 5728043. The next prime is 5728049. The reversal of 5728047 is 7408275.

It is not a de Polignac number, because 5728047 - 2² = 5728043 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5727999 and 5728017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7147 + ... + 7907.

It is an arithmetic number, because the mean of its divisors is an integer number (517398).

Almost surely, 2^5728047 is an apocalyptic number.

5728047 is a deficient number, since it is larger than the sum of its proper divisors (2550321).

5728047 is a wasteful number, since it uses less digits than its factorization.

5728047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 5728047 is about 2393.3338672237. Note that the first 3 decimals coincide. The cubic root of 5728047 is about 178.9241066907.

The spelling of 5728047 in words is "five million, seven hundred twenty-eight thousand, forty-seven".