3998808000 has 1008 divisors, whose sum is σ = 17264493792. Its totient is φ = 912384000.

The previous prime is 3998807957. The next prime is 3998808029. The reversal of 3998808000 is 8088993.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 235223992 + ... + 235224008.

It is an arithmetic number, because the mean of its divisors is an integer number (17127474).

Almost surely, 2^3998808000 is an apocalyptic number.

3998808000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3998808000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8632246896).

3998808000 is an abundant number, since it is smaller than the sum of its proper divisors (13265685792).

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

3998808000 is a wasteful number, since it uses less digits than its factorization.

3998808000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 38 counting only the distinct ones).

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

The square root of 3998808000 is about 63236.1289137784. The cubic root of 3998808000 is about 1587.2433544647.

The spelling of 3998808000 in words is "three billion, nine hundred ninety-eight million, eight hundred eight thousand".