383638528 has 176 divisors, whose sum is σ = 990420480. Its totient is φ = 144359424.

The previous prime is 383638447. The next prime is 383638537. The reversal of 383638528 is 825836383.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2143143 + ... + 2143321.

Almost surely, 2^383638528 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 383638528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495210240).

383638528 is an abundant number, since it is smaller than the sum of its proper divisors (606781952).

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

383638528 is a wasteful number, since it uses less digits than its factorization.

383638528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 224 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 383638528 is about 19586.6926253515. The cubic root of 383638528 is about 726.6200967078.

The spelling of 383638528 in words is "three hundred eighty-three million, six hundred thirty-eight thousand, five hundred twenty-eight".