928427 has 2 divisors, whose sum is σ = 928428. Its totient is φ = 928426.

The previous prime is 928423. The next prime is 928429. The reversal of 928427 is 724829.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 928427 - 2² = 928423 is a prime.

Together with 928429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 928393 and 928402.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 928427.

It is not a weakly prime, because it can be changed into another prime (928423) 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 as a sum of consecutive naturals, namely, 464213 + 464214.

It is an arithmetic number, because the mean of its divisors is an integer number (464214).

2⁹²⁸⁴²⁷ is an apocalyptic number.

928427 is a deficient number, since it is larger than the sum of its proper divisors (1).

928427 is an equidigital number, since it uses as much as digits as its factorization.

928427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 928427 is about 963.5491684393. The cubic root of 928427 is about 97.5549372619.

The spelling of 928427 in words is "nine hundred twenty-eight thousand, four hundred twenty-seven".