28241843 has 4 divisors (see below), whose sum is σ = 32276400. Its totient is φ = 24207288.

The previous prime is 28241839. The next prime is 28241849. The reversal of 28241843 is 34814282.

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

It is not a de Polignac number, because 28241843 - 2² = 28241839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28241849) 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, 2017268 + ... + 2017281.

It is an arithmetic number, because the mean of its divisors is an integer number (8069100).

Almost surely, 2^28241843 is an apocalyptic number.

28241843 is a deficient number, since it is larger than the sum of its proper divisors (4034557).

28241843 is an equidigital number, since it uses as much as digits as its factorization.

28241843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034556.

The product of its digits is 12288, while the sum is 32.

The square root of 28241843 is about 5314.3055049555. The cubic root of 28241843 is about 304.5306514011.

The spelling of 28241843 in words is "twenty-eight million, two hundred forty-one thousand, eight hundred forty-three".