383456 has 24 divisors (see below), whose sum is σ = 789264. Its totient is φ = 183040.

The previous prime is 383429. The next prime is 383459. The reversal of 383456 is 654383.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 383456.

It is not an unprimeable number, because it can be changed into a prime (383459) by changing a digit.

383456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (32886).

2³⁸³⁴⁵⁶ 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 383456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394632).

383456 is an abundant number, since it is smaller than the sum of its proper divisors (405808).

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

383456 is a wasteful number, since it uses less digits than its factorization.

383456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 546 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 383456 is about 619.2382417132. The cubic root of 383456 is about 72.6504841033.

It can be divided in two parts, 38 and 3456, that multiplied together give a triangular number (131328 = T₅₁₂).

The spelling of 383456 in words is "three hundred eighty-three thousand, four hundred fifty-six".