4392538 has 8 divisors (see below), whose sum is σ = 6653088. Its totient is φ = 2174844.

The previous prime is 4392533. The next prime is 4392541. The reversal of 4392538 is 8352934.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 4¹¹ + 3⁹ + 9⁴ + 2¹¹ + 5⁷ + 3¹⁰ + 8⁵ .

It is not an unprimeable number, because it can be changed into a prime (4392533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10456 + ... + 10867.

It is an arithmetic number, because the mean of its divisors is an integer number (831636).

Almost surely, 2^4392538 is an apocalyptic number.

4392538 is a deficient number, since it is larger than the sum of its proper divisors (2260550).

4392538 is a wasteful number, since it uses less digits than its factorization.

4392538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21428.

The product of its digits is 25920, while the sum is 34.

The square root of 4392538 is about 2095.8382571181. The cubic root of 4392538 is about 163.7715687456.

The spelling of 4392538 in words is "four million, three hundred ninety-two thousand, five hundred thirty-eight".