3938544 has 60 divisors (see below), whose sum is σ = 11441976. Its totient is φ = 1311552.

The previous prime is 3938531. The next prime is 3938549. The reversal of 3938544 is 4458393.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3938499 and 3938508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3382 + ... + 4394.

Almost surely, 2^3938544 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 3938544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5720988).

3938544 is an abundant number, since it is smaller than the sum of its proper divisors (7503432).

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

3938544 is a wasteful number, since it uses less digits than its factorization.

3938544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1018 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 3938544 is about 1984.5765291366. The cubic root of 3938544 is about 157.9229448551.

It can be divided in two parts, 39 and 38544, that added together give a palindrome (38583).

The spelling of 3938544 in words is "three million, nine hundred thirty-eight thousand, five hundred forty-four".