3988616 has 8 divisors (see below), whose sum is σ = 7478670. Its totient is φ = 1994304.

The previous prime is 3988601. The next prime is 3988619. The reversal of 3988616 is 6168893.

It is a happy number.

3988616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 1331716 = 1630^2 + 1154^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249281 + ... + 249296.

Almost surely, 2^3988616 is an apocalyptic number.

It is an amenable number.

3988616 is a deficient number, since it is larger than the sum of its proper divisors (3490054).

3988616 is a wasteful number, since it uses less digits than its factorization.

3988616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498583 (or 498579 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 3988616 is about 1997.1519721844. The cubic root of 3988616 is about 158.5893706630.

The spelling of 3988616 in words is "three million, nine hundred eighty-eight thousand, six hundred sixteen".