• The sum of all the palindromes up to 383 is a palindrome itself, 7557.

• 383 can be written using four 4's:

383 has 2 divisors, whose sum is σ = 384. Its totient is φ = 382.

The previous prime is 379. The next prime is 389.

It is a happy number.

383 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

383 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 383 - 2^{2} = 379 is a prime.

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

383 is an undulating number in base 10.

It is a plaindrome in base 4, base 8, base 12, base 13 and base 16.

It is a zygodrome in base 4.

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 383.

It is not a weakly prime, because it can be changed into another prime (389) by changing a digit.

Being equal to 6×2^{6}-1, it is a Woodall number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191 + 192.

It is an arithmetic number, because the mean of its divisors is an integer number (192).

383 is a deficient number, since it is larger than the sum of its proper divisors (1).

383 is an equidigital number, since it uses as much as digits as its factorization.

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

The product of its digits is 72, while the sum is 14.

The square root of 383 is about 19.5703857908. The cubic root of 383 is about 7.2621674399.

The spelling of 383 in words is "three hundred eighty-three", and thus it is an aban number and an oban number.

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