3939544 has 32 divisors (see below), whose sum is σ = 8536320. Its totient is φ = 1669536.

The previous prime is 3939541. The next prime is 3939569. The reversal of 3939544 is 4459393.

3939544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3939541) 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 7 ways as a sum of consecutive naturals, for example, 5427 + ... + 6109.

It is an arithmetic number, because the mean of its divisors is an integer number (266760).

Almost surely, 2^3939544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3939544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4268160).

3939544 is an abundant number, since it is smaller than the sum of its proper divisors (4596776).

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

3939544 is a wasteful number, since it uses less digits than its factorization.

3939544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 795 counting only the distinct ones).

The product of its digits is 58320, while the sum is 37.

The square root of 3939544 is about 1984.8284560636. The cubic root of 3939544 is about 157.9363093184.

The spelling of 3939544 in words is "three million, nine hundred thirty-nine thousand, five hundred forty-four".