28264843 has 2 divisors, whose sum is σ = 28264844. Its totient is φ = 28264842.

The previous prime is 28264823. The next prime is 28264849. The reversal of 28264843 is 34846282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28264843 - 2⁵ = 28264811 is a prime.

It is not a weakly prime, because it can be changed into another prime (28264849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14132421 + 14132422.

It is an arithmetic number, because the mean of its divisors is an integer number (14132422).

Almost surely, 2^28264843 is an apocalyptic number.

28264843 is a deficient number, since it is larger than the sum of its proper divisors (1).

28264843 is an equidigital number, since it uses as much as digits as its factorization.

28264843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 37.

The square root of 28264843 is about 5316.4690349893. The cubic root of 28264843 is about 304.6132983262.

The spelling of 28264843 in words is "twenty-eight million, two hundred sixty-four thousand, eight hundred forty-three".