673438 has 16 divisors (see below), whose sum is σ = 1108080. Its totient is φ = 305536.

The previous prime is 673429. The next prime is 673441. The reversal of 673438 is 834376.

673438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (69255).

2⁶⁷³⁴³⁸ is an apocalyptic number.

673438 is a deficient number, since it is larger than the sum of its proper divisors (434642).

673438 is a wasteful number, since it uses less digits than its factorization.

673438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

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

The square root of 673438 is about 820.6326827515. The cubic root of 673438 is about 87.6528159497.

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

The spelling of 673438 in words is "six hundred seventy-three thousand, four hundred thirty-eight".