28446243 has 8 divisors (see below), whose sum is σ = 43346688. Its totient is φ = 16254984.

The previous prime is 28446179. The next prime is 28446247. The reversal of 28446243 is 34264482.

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

It is not a de Polignac number, because 28446243 - 2⁶ = 28446179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28446247) 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 7 ways as a sum of consecutive naturals, for example, 677271 + ... + 677312.

It is an arithmetic number, because the mean of its divisors is an integer number (5418336).

Almost surely, 2^28446243 is an apocalyptic number.

28446243 is a deficient number, since it is larger than the sum of its proper divisors (14900445).

28446243 is a wasteful number, since it uses less digits than its factorization.

28446243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354593.

The product of its digits is 36864, while the sum is 33.

The square root of 28446243 is about 5333.5019452514. The cubic root of 28446243 is about 305.2635650625.

The spelling of 28446243 in words is "twenty-eight million, four hundred forty-six thousand, two hundred forty-three".