28645483 has 4 divisors (see below), whose sum is σ = 30153160. Its totient is φ = 27137808.

The previous prime is 28645469. The next prime is 28645489. The reversal of 28645483 is 38454682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28645483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28645489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753810 + ... + 753847.

It is an arithmetic number, because the mean of its divisors is an integer number (7538290).

Almost surely, 2^28645483 is an apocalyptic number.

28645483 is a deficient number, since it is larger than the sum of its proper divisors (1507677).

28645483 is a wasteful number, since it uses less digits than its factorization.

28645483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507676.

The product of its digits is 184320, while the sum is 40.

The square root of 28645483 is about 5352.1475129148. The cubic root of 28645483 is about 305.9746052373.

The spelling of 28645483 in words is "twenty-eight million, six hundred forty-five thousand, four hundred eighty-three".