3993448 has 8 divisors (see below), whose sum is σ = 7487730. Its totient is φ = 1996720.

The previous prime is 3993443. The next prime is 3993469. The reversal of 3993448 is 8443993.

It can be written as a sum of positive squares in only one way, i.e., 3992004 + 1444 = 1998^2 + 38^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3993448.

It is not an unprimeable number, because it can be changed into a prime (3993443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249583 + ... + 249598.

Almost surely, 2^3993448 is an apocalyptic number.

It is an amenable number.

3993448 is a deficient number, since it is larger than the sum of its proper divisors (3494282).

3993448 is a wasteful number, since it uses less digits than its factorization.

3993448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499187 (or 499183 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 3993448 is about 1998.3613286891. The cubic root of 3993448 is about 158.6533857333.

The spelling of 3993448 in words is "three million, nine hundred ninety-three thousand, four hundred forty-eight".