3930544 has 40 divisors (see below), whose sum is σ = 8102160. Its totient is φ = 1843968.

The previous prime is 3930541. The next prime is 3930559. The reversal of 3930544 is 4450393.

3930544 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3930544² = 30898352271872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3930541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19854 + ... + 20050.

It is an arithmetic number, because the mean of its divisors is an integer number (202554).

Almost surely, 2^3930544 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 3930544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4051080).

3930544 is an abundant number, since it is smaller than the sum of its proper divisors (4171616).

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

3930544 is a wasteful number, since it uses less digits than its factorization.

3930544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3930544 is about 1982.5599612622. The cubic root of 3930544 is about 157.8159476226.

The spelling of 3930544 in words is "three million, nine hundred thirty thousand, five hundred forty-four".