3993488 has 10 divisors (see below), whose sum is σ = 7737414. Its totient is φ = 1996736.

The previous prime is 3993481. The next prime is 3993511. The reversal of 3993488 is 8843993.

It can be written as a sum of positive squares in only one way, i.e., 3810304 + 183184 = 1952^2 + 428^2 .

It is a super-2 number, since 2×3993488² = 31895892812288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3993481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124781 + ... + 124812.

Almost surely, 2^3993488 is an apocalyptic number.

It is an amenable number.

3993488 is a deficient number, since it is larger than the sum of its proper divisors (3743926).

3993488 is a wasteful number, since it uses less digits than its factorization.

3993488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249601 (or 249595 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 3993488 is about 1998.3713368641. The cubic root of 3993488 is about 158.6539154438.

The spelling of 3993488 in words is "three million, nine hundred ninety-three thousand, four hundred eighty-eight".