928429 has 2 divisors, whose sum is σ = 928430. Its totient is φ = 928428.

The previous prime is 928427. The next prime is 928453. The reversal of 928429 is 924829.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 837225 + 91204 = 915^2 + 302^2 .

It is an emirp because it is prime and its reverse (924829) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 928429 - 2¹ = 928427 is a prime.

Together with 928427, it forms a pair of twin primes.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 928394 and 928403.

It is a congruent number.

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, 464214 + 464215.

It is an arithmetic number, because the mean of its divisors is an integer number (464215).

2⁹²⁸⁴²⁹ is an apocalyptic number.

It is an amenable number.

928429 is a deficient number, since it is larger than the sum of its proper divisors (1).

928429 is an equidigital number, since it uses as much as digits as its factorization.

928429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 928429 is about 963.5502062685. The cubic root of 928429 is about 97.5550073122. Note that the first 3 decimals are identical.

Subtracting from 928429 its reverse (924829), we obtain a square (3600 = 60²).

The spelling of 928429 in words is "nine hundred twenty-eight thousand, four hundred twenty-nine".