673869 has 8 divisors (see below), whose sum is σ = 1026880. Its totient is φ = 385056.

The previous prime is 673837. The next prime is 673879. The reversal of 673869 is 968376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 673869 - 2⁵ = 673837 is a prime.

It is a super-2 number, since 2×673869² = 908198858322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16024 + ... + 16065.

It is an arithmetic number, because the mean of its divisors is an integer number (128360).

2⁶⁷³⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

673869 is a deficient number, since it is larger than the sum of its proper divisors (353011).

673869 is a wasteful number, since it uses less digits than its factorization.

673869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32099.

The product of its digits is 54432, while the sum is 39.

The square root of 673869 is about 820.8952430122. The cubic root of 673869 is about 87.6715112154.

The spelling of 673869 in words is "six hundred seventy-three thousand, eight hundred sixty-nine".