4338428 has 12 divisors (see below), whose sum is σ = 7606872. Its totient is φ = 2165040.

The previous prime is 4338427. The next prime is 4338431. The reversal of 4338428 is 8248334.

It is a super-2 number, since 2×4338428² = 37643915022368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4338394 and 4338403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4338427) 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, 3326 + ... + 4442.

It is an arithmetic number, because the mean of its divisors is an integer number (633906).

Almost surely, 2^4338428 is an apocalyptic number.

It is an amenable number.

4338428 is a deficient number, since it is larger than the sum of its proper divisors (3268444).

4338428 is a wasteful number, since it uses less digits than its factorization.

4338428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092 (or 2090 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 4338428 is about 2082.8893393553. The cubic root of 4338428 is about 163.0963085233.

The spelling of 4338428 in words is "four million, three hundred thirty-eight thousand, four hundred twenty-eight".