383424256 has 72 divisors (see below), whose sum is σ = 853206480. Its totient is φ = 170901504.

The previous prime is 383424247. The next prime is 383424257. The reversal of 383424256 is 652424383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383424257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80370 + ... + 85006.

It is an arithmetic number, because the mean of its divisors is an integer number (11850090).

Almost surely, 2^383424256 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 383424256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426603240).

383424256 is an abundant number, since it is smaller than the sum of its proper divisors (469782224).

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

383424256 is a wasteful number, since it uses less digits than its factorization.

383424256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689 (or 4675 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 383424256 is about 19581.2220251955. Note that the first 3 decimals coincide. The cubic root of 383424256 is about 726.4847928342.

The spelling of 383424256 in words is "three hundred eighty-three million, four hundred twenty-four thousand, two hundred fifty-six".