438233 has 2 divisors, whose sum is σ = 438234. Its totient is φ = 438232.

The previous prime is 438223. The next prime is 438241. The reversal of 438233 is 332834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399424 + 38809 = 632^2 + 197^2 .

It is a cyclic number.

It is not a de Polignac number, because 438233 - 2⁶ = 438169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 438199 and 438208.

It is not a weakly prime, because it can be changed into another prime (438203) 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, 219116 + 219117.

It is an arithmetic number, because the mean of its divisors is an integer number (219117).

2⁴³⁸²³³ is an apocalyptic number.

It is an amenable number.

438233 is a deficient number, since it is larger than the sum of its proper divisors (1).

438233 is an equidigital number, since it uses as much as digits as its factorization.

438233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

The square root of 438233 is about 661.9916917908. The cubic root of 438233 is about 75.9570972075.

The spelling of 438233 in words is "four hundred thirty-eight thousand, two hundred thirty-three".