5728911 has 4 divisors (see below), whose sum is σ = 7638552. Its totient is φ = 3819272.

The previous prime is 5728897. The next prime is 5728913. The reversal of 5728911 is 1198275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5728911 - 2¹⁸ = 5466767 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954816 + ... + 954821.

It is an arithmetic number, because the mean of its divisors is an integer number (1909638).

Almost surely, 2^5728911 is an apocalyptic number.

5728911 is a deficient number, since it is larger than the sum of its proper divisors (1909641).

5728911 is a wasteful number, since it uses less digits than its factorization.

5728911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909640.

The product of its digits is 5040, while the sum is 33.

The square root of 5728911 is about 2393.5143617702. The cubic root of 5728911 is about 178.9331023487.

The spelling of 5728911 in words is "five million, seven hundred twenty-eight thousand, nine hundred eleven".