3959388 has 48 divisors (see below), whose sum is σ = 10450720. Its totient is φ = 1296000.

The previous prime is 3959387. The next prime is 3959393. The reversal of 3959388 is 8839593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6288 + ... + 6888.

Almost surely, 2^3959388 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 3959388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5225360).

3959388 is an abundant number, since it is smaller than the sum of its proper divisors (6491332).

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

3959388 is a wasteful number, since it uses less digits than its factorization.

3959388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 667 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 3959388 is about 1989.8210974859. The cubic root of 3959388 is about 158.2010472786.

It can be divided in two parts, 39 and 59388, that multiplied together give a palindrome (2316132).

The spelling of 3959388 in words is "three million, nine hundred fifty-nine thousand, three hundred eighty-eight".