28528841 has 8 divisors (see below), whose sum is σ = 31298400. Its totient is φ = 25788640.

The previous prime is 28528831. The next prime is 28528849. The reversal of 28528841 is 14882582.

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

It is a cyclic number.

It is not a de Polignac number, because 28528841 - 2¹⁰ = 28527817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28528795 and 28528804.

It is not an unprimeable number, because it can be changed into a prime (28528849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5276 + ... + 9213.

It is an arithmetic number, because the mean of its divisors is an integer number (3912300).

Almost surely, 2^28528841 is an apocalyptic number.

It is an amenable number.

28528841 is a deficient number, since it is larger than the sum of its proper divisors (2769559).

28528841 is a wasteful number, since it uses less digits than its factorization.

28528841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14679.

The product of its digits is 40960, while the sum is 38.

The square root of 28528841 is about 5341.2396501187. The cubic root of 28528841 is about 305.5587393069.

The spelling of 28528841 in words is "twenty-eight million, five hundred twenty-eight thousand, eight hundred forty-one".