728383 has 2 divisors, whose sum is σ = 728384. Its totient is φ = 728382.

The previous prime is 728381. The next prime is 728417. The reversal of 728383 is 383827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 728383 - 2¹ = 728381 is a prime.

Together with 728381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728381) 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 as a sum of consecutive naturals, namely, 364191 + 364192.

It is an arithmetic number, because the mean of its divisors is an integer number (364192).

2⁷²⁸³⁸³ is an apocalyptic number.

728383 is a deficient number, since it is larger than the sum of its proper divisors (1).

728383 is an equidigital number, since it uses as much as digits as its factorization.

728383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 728383 is about 853.4535722580. The cubic root of 728383 is about 89.9746018868.

It can be divided in two parts, 728 and 383, that added together give a palindrome (1111).

The spelling of 728383 in words is "seven hundred twenty-eight thousand, three hundred eighty-three".