928229 has 4 divisors (see below), whose sum is σ = 930240. Its totient is φ = 926220.

The previous prime is 928223. The next prime is 928231. The reversal of 928229 is 922829.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 922829 = 23 ⋅40123.

It is a cyclic number.

It is not a de Polignac number, because 928229 - 2⁸ = 927973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 928195 and 928204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (928223) 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 in 3 ways as a sum of consecutive naturals, for example, 74 + ... + 1364.

It is an arithmetic number, because the mean of its divisors is an integer number (232560).

2⁹²⁸²²⁹ is an apocalyptic number.

It is an amenable number.

928229 is a deficient number, since it is larger than the sum of its proper divisors (2011).

928229 is a wasteful number, since it uses less digits than its factorization.

928229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010.

The product of its digits is 5184, while the sum is 32.

The square root of 928229 is about 963.4464178147. The cubic root of 928229 is about 97.5480017855.

The spelling of 928229 in words is "nine hundred twenty-eight thousand, two hundred twenty-nine".