383828272 has 40 divisors (see below), whose sum is σ = 793877760. Its totient is φ = 179242560.

The previous prime is 383828257. The next prime is 383828293. The reversal of 383828272 is 272828383.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12693 + ... + 30475.

It is an arithmetic number, because the mean of its divisors is an integer number (19846944).

Almost surely, 2^383828272 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 383828272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396938880).

383828272 is an abundant number, since it is smaller than the sum of its proper divisors (410049488).

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

383828272 is a wasteful number, since it uses less digits than its factorization.

383828272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17881 (or 17875 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 383828272 is about 19591.5357233679. The cubic root of 383828272 is about 726.7398701141.

The spelling of 383828272 in words is "three hundred eighty-three million, eight hundred twenty-eight thousand, two hundred seventy-two".