5728215 has 32 divisors (see below), whose sum is σ = 9792000. Its totient is φ = 2851200.

The previous prime is 5728207. The next prime is 5728223. The reversal of 5728215 is 5128275.

It is an interprime number because it is at equal distance from previous prime (5728207) and next prime (5728223).

It is not a de Polignac number, because 5728215 - 2³ = 5728207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28686 + ... + 28884.

It is an arithmetic number, because the mean of its divisors is an integer number (306000).

Almost surely, 2^5728215 is an apocalyptic number.

5728215 is a deficient number, since it is larger than the sum of its proper divisors (4063785).

5728215 is a wasteful number, since it uses less digits than its factorization.

5728215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327.

The product of its digits is 5600, while the sum is 30.

The square root of 5728215 is about 2393.3689644516. The cubic root of 5728215 is about 178.9258559172.

The spelling of 5728215 in words is "five million, seven hundred twenty-eight thousand, two hundred fifteen".