326673 has 20 divisors (see below), whose sum is σ = 505780. Its totient is φ = 209952.

The previous prime is 326663. The next prime is 326681. The reversal of 326673 is 376623.

It can be written as a sum of positive squares in 2 ways, for example, as 263169 + 63504 = 513^2 + 252^2 .

It is not a de Polignac number, because 326673 - 2⁴ = 326657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 3 + 2 + 6⁶ + 6⁷ + 7² + 3³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326633) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2943 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (25289).

326673 is a Friedman number, since it can be written as 7*6^6+(3*3)^2, using all its digits and the basic arithmetic operations.

2³²⁶⁶⁷³ is an apocalyptic number.

It is an amenable number.

326673 is a deficient number, since it is larger than the sum of its proper divisors (179107).

326673 is a wasteful number, since it uses less digits than its factorization.

326673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 149 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 326673 is about 571.5531471351. The cubic root of 326673 is about 68.8712153568.

It can be divided in two parts, 326 and 673, that added together give a palindrome (999).

The spelling of 326673 in words is "three hundred twenty-six thousand, six hundred seventy-three".