28443483 has 12 divisors (see below), whose sum is σ = 41132520. Its totient is φ = 18940416.

The previous prime is 28443473. The next prime is 28443497. The reversal of 28443483 is 38434482.

It is not a de Polignac number, because 28443483 - 2¹² = 28439387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28443473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11560 + ... + 13802.

It is an arithmetic number, because the mean of its divisors is an integer number (3427710).

Almost surely, 2^28443483 is an apocalyptic number.

28443483 is a deficient number, since it is larger than the sum of its proper divisors (12689037).

28443483 is a wasteful number, since it uses less digits than its factorization.

28443483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658 (or 3655 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 28443483 is about 5333.2431971550. The cubic root of 28443483 is about 305.2536919990.

Subtracting 28443483 from its reverse (38434482), we obtain a palindrome (9990999).

The spelling of 28443483 in words is "twenty-eight million, four hundred forty-three thousand, four hundred eighty-three".