28533841 has 8 divisors (see below), whose sum is σ = 33304320. Its totient is φ = 23936928.

The previous prime is 28533833. The next prime is 28533851. The reversal of 28533841 is 14833582.

It is a happy number.

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 28533841 - 2³ = 28533833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28533797 and 28533806.

It is not an unprimeable number, because it can be changed into a prime (28533851) 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, 43036 + ... + 43693.

It is an arithmetic number, because the mean of its divisors is an integer number (4163040).

Almost surely, 2^28533841 is an apocalyptic number.

It is an amenable number.

28533841 is a deficient number, since it is larger than the sum of its proper divisors (4770479).

28533841 is an equidigital number, since it uses as much as digits as its factorization.

28533841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86783.

The product of its digits is 23040, while the sum is 34.

The square root of 28533841 is about 5341.7076857499. The cubic root of 28533841 is about 305.5765891318.

The spelling of 28533841 in words is "twenty-eight million, five hundred thirty-three thousand, eight hundred forty-one".