5728407 has 8 divisors (see below), whose sum is σ = 7800576. Its totient is φ = 3737592.

The previous prime is 5728391. The next prime is 5728409. The reversal of 5728407 is 7048275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5728407 - 2⁴ = 5728391 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728409) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 20173 + ... + 20454.

It is an arithmetic number, because the mean of its divisors is an integer number (975072).

Almost surely, 2^5728407 is an apocalyptic number.

5728407 is a deficient number, since it is larger than the sum of its proper divisors (2072169).

5728407 is a wasteful number, since it uses less digits than its factorization.

5728407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40677.

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

The square root of 5728407 is about 2393.4090749389. The cubic root of 5728407 is about 178.9278549914.

The spelling of 5728407 in words is "five million, seven hundred twenty-eight thousand, four hundred seven".