673938 has 12 divisors (see below), whose sum is σ = 1460238. Its totient is φ = 224640.

The previous prime is 673921. The next prime is 673943. The reversal of 673938 is 839376.

It can be written as a sum of positive squares in only one way, i.e., 567009 + 106929 = 753^2 + 327^2 .

It is a Curzon number.

It is an unprimeable number.

673938 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18703 + ... + 18738.

2⁶⁷³⁹³⁸ is an apocalyptic number.

673938 is an abundant number, since it is smaller than the sum of its proper divisors (786300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673938 is a wasteful number, since it uses less digits than its factorization.

673938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37449 (or 37446 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 673938 is about 820.9372692234. The cubic root of 673938 is about 87.6745034527.

It can be divided in two parts, 67 and 3938, that added together give a triangular number (4005 = T₈₉).

The spelling of 673938 in words is "six hundred seventy-three thousand, nine hundred thirty-eight".