673803 has 18 divisors (see below), whose sum is σ = 1056276. Its totient is φ = 413712.

The previous prime is 673801. The next prime is 673811. The reversal of 673803 is 308376.

It is a happy number.

It is not a de Polignac number, because 673803 - 2¹ = 673801 is a prime.

It is an Ulam number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (673801) 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 17 ways as a sum of consecutive naturals, for example, 1300 + ... + 1742.

It is an arithmetic number, because the mean of its divisors is an integer number (58682).

2⁶⁷³⁸⁰³ is an apocalyptic number.

673803 is a deficient number, since it is larger than the sum of its proper divisors (382473).

673803 is a wasteful number, since it uses less digits than its factorization.

673803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 673803 is about 820.8550420141. The cubic root of 673803 is about 87.6686488843.

The spelling of 673803 in words is "six hundred seventy-three thousand, eight hundred three".