3959538 has 32 divisors (see below), whose sum is σ = 9149760. Its totient is φ = 1128960.

The previous prime is 3959531. The next prime is 3959539. The reversal of 3959538 is 8359593.

It is a d-powerful number, because it can be written as 3³ + 9² + 5⁹ + 9³ + 5⁹ + 3⁹ + 8⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 3959538.

It is not an unprimeable number, because it can be changed into a prime (3959531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643 + ... + 2886.

It is an arithmetic number, because the mean of its divisors is an integer number (285930).

Almost surely, 2^3959538 is an apocalyptic number.

3959538 is an abundant number, since it is smaller than the sum of its proper divisors (5190222).

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

3959538 is a wasteful number, since it uses less digits than its factorization.

3959538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562.

The product of its digits is 145800, while the sum is 42.

The square root of 3959538 is about 1989.8587889597. The cubic root of 3959538 is about 158.2030450501.

The spelling of 3959538 in words is "three million, nine hundred fifty-nine thousand, five hundred thirty-eight".