28343041 has 4 divisors (see below), whose sum is σ = 29834800. Its totient is φ = 26851284.

The previous prime is 28343023. The next prime is 28343047. The reversal of 28343041 is 14034382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28343041 - 2⁵ = 28343009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28342997 and 28343015.

It is not an unprimeable number, because it can be changed into a prime (28343047) 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, 745851 + ... + 745888.

It is an arithmetic number, because the mean of its divisors is an integer number (7458700).

Almost surely, 2^28343041 is an apocalyptic number.

It is an amenable number.

28343041 is a deficient number, since it is larger than the sum of its proper divisors (1491759).

28343041 is a wasteful number, since it uses less digits than its factorization.

28343041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491758.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 28343041 is about 5323.8182726310. The cubic root of 28343041 is about 304.8939557885.

The spelling of 28343041 in words is "twenty-eight million, three hundred forty-three thousand, forty-one".