3993318000 has 480 divisors, whose sum is σ = 16349703552. Its totient is φ = 889344000.

The previous prime is 3993317957. The next prime is 3993318013. The reversal of 3993318000 is 8133993.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5165614 + ... + 5166386.

Almost surely, 2^3993318000 is an apocalyptic number.

3993318000 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 3993318000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8174851776).

3993318000 is an abundant number, since it is smaller than the sum of its proper divisors (12356385552).

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

3993318000 is a wasteful number, since it uses less digits than its factorization.

3993318000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 3993318000 is about 63192.7052752135. The cubic root of 3993318000 is about 1586.5166414969.

The spelling of 3993318000 in words is "three billion, nine hundred ninety-three million, three hundred eighteen thousand".