673929 has 12 divisors (see below), whose sum is σ = 984256. Its totient is φ = 444312.

The previous prime is 673921. The next prime is 673943. The reversal of 673929 is 929376.

It is not a de Polignac number, because 673929 - 2³ = 673921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673893 and 673902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673921) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 564 + ... + 1290.

2⁶⁷³⁹²⁹ is an apocalyptic number.

It is an amenable number.

673929 is a deficient number, since it is larger than the sum of its proper divisors (310327).

673929 is a wasteful number, since it uses less digits than its factorization.

673929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 833 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 673929 is about 820.9317876657. The cubic root of 673929 is about 87.6741131725.

The spelling of 673929 in words is "six hundred seventy-three thousand, nine hundred twenty-nine".