3988416 has 28 divisors (see below), whose sum is σ = 10553192. Its totient is φ = 1329408.

The previous prime is 3988403. The next prime is 3988427. The reversal of 3988416 is 6148893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10195 + ... + 10578.

Almost surely, 2^3988416 is an apocalyptic number.

It is an amenable number.

3988416 is an abundant number, since it is smaller than the sum of its proper divisors (6564776).

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

3988416 is a wasteful number, since it uses less digits than its factorization.

3988416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20788 (or 20778 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 3988416 is about 1997.1019002545. The cubic root of 3988416 is about 158.5867199186.

The spelling of 3988416 in words is "three million, nine hundred eighty-eight thousand, four hundred sixteen".