28594427 has 2 divisors, whose sum is σ = 28594428. Its totient is φ = 28594426.

The previous prime is 28594403. The next prime is 28594457. The reversal of 28594427 is 72449582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28594427 - 2¹⁶ = 28528891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28594457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14297213 + 14297214.

It is an arithmetic number, because the mean of its divisors is an integer number (14297214).

Almost surely, 2^28594427 is an apocalyptic number.

28594427 is a deficient number, since it is larger than the sum of its proper divisors (1).

28594427 is an equidigital number, since it uses as much as digits as its factorization.

28594427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 28594427 is about 5347.3757115056. The cubic root of 28594427 is about 305.7927135025.

The spelling of 28594427 in words is "twenty-eight million, five hundred ninety-four thousand, four hundred twenty-seven".