28214843 has 2 divisors, whose sum is σ = 28214844. Its totient is φ = 28214842.

The previous prime is 28214833. The next prime is 28214873. The reversal of 28214843 is 34841282.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28214843 - 2⁴ = 28214827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28214833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14107421 + 14107422.

It is an arithmetic number, because the mean of its divisors is an integer number (14107422).

Almost surely, 2^28214843 is an apocalyptic number.

28214843 is a deficient number, since it is larger than the sum of its proper divisors (1).

28214843 is an equidigital number, since it uses as much as digits as its factorization.

28214843 is an evil number, because the sum of its binary digits is even.

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

The square root of 28214843 is about 5311.7645843919. The cubic root of 28214843 is about 304.4335738221.

The spelling of 28214843 in words is "twenty-eight million, two hundred fourteen thousand, eight hundred forty-three".