28882273 has 8 divisors (see below), whose sum is σ = 34443648. Its totient is φ = 23679744.

The previous prime is 28882267. The next prime is 28882277. The reversal of 28882273 is 37228882.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28882273 - 2¹⁷ = 28751201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28882277) 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 7 ways as a sum of consecutive naturals, for example, 89536 + ... + 89857.

It is an arithmetic number, because the mean of its divisors is an integer number (4305456).

Almost surely, 2^28882273 is an apocalyptic number.

28882273 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28882273 is a deficient number, since it is larger than the sum of its proper divisors (5561375).

28882273 is a wasteful number, since it uses less digits than its factorization.

28882273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179423.

The product of its digits is 86016, while the sum is 40.

The square root of 28882273 is about 5374.2230136086. The cubic root of 28882273 is about 306.8153777535.

The spelling of 28882273 in words is "twenty-eight million, eight hundred eighty-two thousand, two hundred seventy-three".