4239128 has 24 divisors (see below), whose sum is σ = 8417100. Its totient is φ = 1995984.

The previous prime is 4239121. The next prime is 4239149. The reversal of 4239128 is 8219324.

It is a self number, because there is not a number n which added to its sum of digits gives 4239128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4239121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25301 + ... + 25467.

Almost surely, 2^4239128 is an apocalyptic number.

It is an amenable number.

4239128 is a deficient number, since it is larger than the sum of its proper divisors (4177972).

4239128 is a wasteful number, since it uses less digits than its factorization.

4239128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 188 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 4239128 is about 2058.9142769916. The cubic root of 4239128 is about 161.8423503170.

The spelling of 4239128 in words is "four million, two hundred thirty-nine thousand, one hundred twenty-eight".