28448282 has 8 divisors (see below), whose sum is σ = 44918400. Its totient is φ = 13475484.

The previous prime is 28448281. The next prime is 28448311. The reversal of 28448282 is 28284482.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 748639 = 28448282 / (2 + 8 + 4 + 4 + 8 + 2 + 8 + 2).

It is not an unprimeable number, because it can be changed into a prime (28448281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374282 + ... + 374357.

It is an arithmetic number, because the mean of its divisors is an integer number (5614800).

Almost surely, 2^28448282 is an apocalyptic number.

28448282 is a deficient number, since it is larger than the sum of its proper divisors (16470118).

28448282 is a wasteful number, since it uses less digits than its factorization.

28448282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748660.

The product of its digits is 65536, while the sum is 38.

The square root of 28448282 is about 5333.6930920329. The cubic root of 28448282 is about 305.2708585568.

The spelling of 28448282 in words is "twenty-eight million, four hundred forty-eight thousand, two hundred eighty-two".