4238528 has 28 divisors (see below), whose sum is σ = 9613392. Its totient is φ = 1816320.

The previous prime is 4238519. The next prime is 4238543. The reversal of 4238528 is 8258324.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a d-powerful number, because it can be written as 4¹¹ + 2⁷ + 3 + 8 + 5⁵ + 2¹³ + 8⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 4238494 and 4238503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4283 + ... + 5178.

Almost surely, 2^4238528 is an apocalyptic number.

It is an amenable number.

4238528 is an abundant number, since it is smaller than the sum of its proper divisors (5374864).

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

4238528 is an equidigital number, since it uses as much as digits as its factorization.

4238528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9480 (or 9470 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 4238528 is about 2058.7685639722. The cubic root of 4238528 is about 161.8347143132.

The spelling of 4238528 in words is "four million, two hundred thirty-eight thousand, five hundred twenty-eight".