3998808 has 144 divisors (see below), whose sum is σ = 13071240. Its totient is φ = 1140480.

The previous prime is 3998801. The next prime is 3998809. The reversal of 3998808 is 8088993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998801) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 235216 + ... + 235232.

Almost surely, 2^3998808 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 3998808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6535620).

3998808 is an abundant number, since it is smaller than the sum of its proper divisors (9072432).

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

3998808 is a wasteful number, since it uses less digits than its factorization.

3998808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 3998808 is about 1999.7019777957. The cubic root of 3998808 is about 158.7243354465.

The spelling of 3998808 in words is "three million, nine hundred ninety-eight thousand, eight hundred eight".