383916928 has 64 divisors (see below), whose sum is σ = 783029520. Its totient is φ = 187453440.

The previous prime is 383916913. The next prime is 383916931. The reversal of 383916928 is 829619383.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691151 + ... + 1691377.

Almost surely, 2^383916928 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 383916928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391514760).

383916928 is an abundant number, since it is smaller than the sum of its proper divisors (399112592).

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

383916928 is a wasteful number, since it uses less digits than its factorization.

383916928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 483 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 383916928 is about 19593.7982024925. The cubic root of 383916928 is about 726.7958195188.

The spelling of 383916928 in words is "three hundred eighty-three million, nine hundred sixteen thousand, nine hundred twenty-eight".