5728471 has 4 divisors (see below), whose sum is σ = 6546832. Its totient is φ = 4910112.

The previous prime is 5728453. The next prime is 5728477. The reversal of 5728471 is 1748275.

It is a happy number.

5728471 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5728471 is a prime.

It is a super-3 number, since 3×5728471³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728477) 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, 409170 + ... + 409183.

It is an arithmetic number, because the mean of its divisors is an integer number (1636708).

Almost surely, 2^5728471 is an apocalyptic number.

5728471 is a deficient number, since it is larger than the sum of its proper divisors (818361).

5728471 is an equidigital number, since it uses as much as digits as its factorization.

5728471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818360.

The product of its digits is 15680, while the sum is 34.

The square root of 5728471 is about 2393.4224449520. The cubic root of 5728471 is about 178.9285213396.

The spelling of 5728471 in words is "five million, seven hundred twenty-eight thousand, four hundred seventy-one".