383683272 has 128 divisors (see below), whose sum is σ = 1128038400. Its totient is φ = 106495488.

The previous prime is 383683259. The next prime is 383683273. The reversal of 383683272 is 272386383.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (383683273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1001593 + ... + 1001975.

It is an arithmetic number, because the mean of its divisors is an integer number (8812800).

Almost surely, 2^383683272 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 383683272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564019200).

383683272 is an abundant number, since it is smaller than the sum of its proper divisors (744355128).

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

383683272 is a wasteful number, since it uses less digits than its factorization.

383683272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 551 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 383683272 is about 19587.8347961177. The cubic root of 383683272 is about 726.6483443276.

The spelling of 383683272 in words is "three hundred eighty-three million, six hundred eighty-three thousand, two hundred seventy-two".