673841 has 4 divisors (see below), whose sum is σ = 770112. Its totient is φ = 577572.

The previous prime is 673837. The next prime is 673879. The reversal of 673841 is 148376.

673841 is nontrivially palindromic in base 5.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 673841 - 2² = 673837 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 48125 + ... + 48138.

It is an arithmetic number, because the mean of its divisors is an integer number (192528).

2⁶⁷³⁸⁴¹ is an apocalyptic number.

It is an amenable number.

673841 is a deficient number, since it is larger than the sum of its proper divisors (96271).

673841 is an equidigital number, since it uses as much as digits as its factorization.

673841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96270.

The product of its digits is 4032, while the sum is 29.

The square root of 673841 is about 820.8781882837. The cubic root of 673841 is about 87.6702969160.

The spelling of 673841 in words is "six hundred seventy-three thousand, eight hundred forty-one".