438673 has 4 divisors (see below), whose sum is σ = 440100. Its totient is φ = 437248.

The previous prime is 438671. The next prime is 438701. The reversal of 438673 is 376834.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 376834 = 2 ⋅188417.

It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 88209 = 592^2 + 297^2 .

It is a cyclic number.

It is not a de Polignac number, because 438673 - 2¹ = 438671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40 + ... + 937.

It is an arithmetic number, because the mean of its divisors is an integer number (110025).

2⁴³⁸⁶⁷³ is an apocalyptic number.

It is an amenable number.

438673 is a deficient number, since it is larger than the sum of its proper divisors (1427).

438673 is an equidigital number, since it uses as much as digits as its factorization.

438673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its digits is 12096, while the sum is 31.

The square root of 438673 is about 662.3239388698. The cubic root of 438673 is about 75.9825098256.

It can be divided in two parts, 438 and 673, that added together give a palindrome (1111).

The spelling of 438673 in words is "four hundred thirty-eight thousand, six hundred seventy-three".