383816880 has 200 divisors, whose sum is σ = 1356301584. Its totient is φ = 100569600.

The previous prime is 383816833. The next prime is 383816897. The reversal of 383816880 is 88618383.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 394795 + ... + 395765.

Almost surely, 2^383816880 is an apocalyptic number.

383816880 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 383816880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678150792).

383816880 is an abundant number, since it is smaller than the sum of its proper divisors (972484704).

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

383816880 is a wasteful number, since it uses less digits than its factorization.

383816880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 383816880 is about 19591.2449834103. The cubic root of 383816880 is about 726.7326801778.

The spelling of 383816880 in words is "three hundred eighty-three million, eight hundred sixteen thousand, eight hundred eighty".