28971483 has 4 divisors (see below), whose sum is σ = 38628648. Its totient is φ = 19314320.

The previous prime is 28971469. The next prime is 28971487. The reversal of 28971483 is 38417982.

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

It is a cyclic number.

It is not a de Polignac number, because 28971483 - 2⁸ = 28971227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28971487) 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, 4828578 + ... + 4828583.

It is an arithmetic number, because the mean of its divisors is an integer number (9657162).

Almost surely, 2^28971483 is an apocalyptic number.

28971483 is a deficient number, since it is larger than the sum of its proper divisors (9657165).

28971483 is an equidigital number, since it uses as much as digits as its factorization.

28971483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9657164.

The product of its digits is 96768, while the sum is 42.

The square root of 28971483 is about 5382.5164189253. The cubic root of 28971483 is about 307.1309446460.

The spelling of 28971483 in words is "twenty-eight million, nine hundred seventy-one thousand, four hundred eighty-three".