438479 has 2 divisors, whose sum is σ = 438480. Its totient is φ = 438478.

The previous prime is 438467. The next prime is 438499. The reversal of 438479 is 974834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 438479 - 2⁸ = 438223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219239 + 219240.

It is an arithmetic number, because the mean of its divisors is an integer number (219240).

2⁴³⁸⁴⁷⁹ is an apocalyptic number.

438479 is a deficient number, since it is larger than the sum of its proper divisors (1).

438479 is an equidigital number, since it uses as much as digits as its factorization.

438479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 438479 is about 662.1774686593. The cubic root of 438479 is about 75.9713072667.

It can be divided in two parts, 4 and 38479, that added together give a palindrome (38483).

The spelling of 438479 in words is "four hundred thirty-eight thousand, four hundred seventy-nine".