28270483 has 4 divisors (see below), whose sum is σ = 28418688. Its totient is φ = 28122280.

The previous prime is 28270471. The next prime is 28270523. The reversal of 28270483 is 38407282.

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 28270483 - 2¹⁷ = 28139411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28270433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73816 + ... + 74197.

It is an arithmetic number, because the mean of its divisors is an integer number (7104672).

Almost surely, 2^28270483 is an apocalyptic number.

28270483 is a deficient number, since it is larger than the sum of its proper divisors (148205).

28270483 is a wasteful number, since it uses less digits than its factorization.

28270483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148204.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 28270483 is about 5316.9994357720. Note that the first 3 decimals coincide. The cubic root of 28270483 is about 304.6335579439.

The spelling of 28270483 in words is "twenty-eight million, two hundred seventy thousand, four hundred eighty-three".