3986448 has 40 divisors (see below), whose sum is σ = 10499328. Its totient is φ = 1302912.

The previous prime is 3986441. The next prime is 3986459. The reversal of 3986448 is 8446893.

It is a d-powerful number, because it can be written as 3¹³ + 9 + 8⁵ + 6² + 4² + 4⁹ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (3986441) 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, 1761 + ... + 3327.

Almost surely, 2^3986448 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 3986448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5249664).

3986448 is an abundant number, since it is smaller than the sum of its proper divisors (6512880).

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

3986448 is a wasteful number, since it uses less digits than its factorization.

3986448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1625 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 3986448 is about 1996.6091254925. The cubic root of 3986448 is about 158.5606318666.

The spelling of 3986448 in words is "three million, nine hundred eighty-six thousand, four hundred forty-eight".