4223838 has 16 divisors (see below), whose sum is σ = 8482320. Its totient is φ = 1402176.

The previous prime is 4223831. The next prime is 4223839. The reversal of 4223838 is 8383224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223831) 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 7 ways as a sum of consecutive naturals, for example, 306 + ... + 2922.

It is an arithmetic number, because the mean of its divisors is an integer number (530145).

Almost surely, 2^4223838 is an apocalyptic number.

4223838 is an abundant number, since it is smaller than the sum of its proper divisors (4258482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4223838 is a wasteful number, since it uses less digits than its factorization.

4223838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891.

The product of its digits is 9216, while the sum is 30.

The square root of 4223838 is about 2055.1978006995. The cubic root of 4223838 is about 161.6475342553.

The spelling of 4223838 in words is "four million, two hundred twenty-three thousand, eight hundred thirty-eight".