9228839 has 4 divisors (see below), whose sum is σ = 9385320. Its totient is φ = 9072360.

The previous prime is 9228833. The next prime is 9228881. The reversal of 9228839 is 9388229.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9228839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9228796 and 9228805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9228833) 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, 78152 + ... + 78269.

It is an arithmetic number, because the mean of its divisors is an integer number (2346330).

Almost surely, 2^9228839 is an apocalyptic number.

9228839 is a deficient number, since it is larger than the sum of its proper divisors (156481).

9228839 is a wasteful number, since it uses less digits than its factorization.

9228839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156480.

The product of its digits is 62208, while the sum is 41.

The square root of 9228839 is about 3037.9004262813. The cubic root of 9228839 is about 209.7566265996.

The spelling of 9228839 in words is "nine million, two hundred twenty-eight thousand, eight hundred thirty-nine".