28824541 has 4 divisors (see below), whose sum is σ = 29015584. Its totient is φ = 28633500.

The previous prime is 28824533. The next prime is 28824557. The reversal of 28824541 is 14542882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28824541 - 2³ = 28824533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28824497 and 28824506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28824581) 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, 95295 + ... + 95596.

It is an arithmetic number, because the mean of its divisors is an integer number (7253896).

Almost surely, 2^28824541 is an apocalyptic number.

It is an amenable number.

28824541 is a deficient number, since it is larger than the sum of its proper divisors (191043).

28824541 is a wasteful number, since it uses less digits than its factorization.

28824541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191042.

The product of its digits is 20480, while the sum is 34.

The square root of 28824541 is about 5368.8491317972. The cubic root of 28824541 is about 306.6108130531.

The spelling of 28824541 in words is "twenty-eight million, eight hundred twenty-four thousand, five hundred forty-one".