383397966000 has 480 divisors, whose sum is σ = 1533069877248. Its totient is φ = 87479769600.

The previous prime is 383397965971. The next prime is 383397966031. The reversal of 383397966000 is 669793383.

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, 81519649 + ... + 81524351.

Almost surely, 2^383397966000 is an apocalyptic number.

383397966000 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 383397966000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766534938624).

383397966000 is an abundant number, since it is smaller than the sum of its proper divisors (1149671911248).

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

383397966000 is a wasteful number, since it uses less digits than its factorization.

383397966000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386 (or 5367 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The spelling of 383397966000 in words is "three hundred eighty-three billion, three hundred ninety-seven million, nine hundred sixty-six thousand".