28795843 has 4 divisors (see below), whose sum is σ = 29267968. Its totient is φ = 28323720.

The previous prime is 28795831. The next prime is 28795847. The reversal of 28795843 is 34859782.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28795843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28795793 and 28795802.

It is not an unprimeable number, because it can be changed into a prime (28795847) 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, 235971 + ... + 236092.

It is an arithmetic number, because the mean of its divisors is an integer number (7316992).

Almost surely, 2^28795843 is an apocalyptic number.

28795843 is a deficient number, since it is larger than the sum of its proper divisors (472125).

28795843 is an equidigital number, since it uses as much as digits as its factorization.

28795843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472124.

The product of its digits is 483840, while the sum is 46.

The square root of 28795843 is about 5366.1758264149. The cubic root of 28795843 is about 306.5090243389.

The spelling of 28795843 in words is "twenty-eight million, seven hundred ninety-five thousand, eight hundred forty-three".