28830543 has 24 divisors (see below), whose sum is σ = 46378368. Its totient is φ = 15603408.

The previous prime is 28830539. The next prime is 28830563. The reversal of 28830543 is 34503882.

It is not a de Polignac number, because 28830543 - 2² = 28830539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28830563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5680 + ... + 9482.

It is an arithmetic number, because the mean of its divisors is an integer number (1932432).

Almost surely, 2^28830543 is an apocalyptic number.

28830543 is a deficient number, since it is larger than the sum of its proper divisors (17547825).

28830543 is a wasteful number, since it uses less digits than its factorization.

28830543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851 (or 3832 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 28830543 is about 5369.4080679345. The cubic root of 28830543 is about 306.6320929569.

The spelling of 28830543 in words is "twenty-eight million, eight hundred thirty thousand, five hundred forty-three".