326973 has 4 divisors (see below), whose sum is σ = 435968. Its totient is φ = 217980.

The previous prime is 326951. The next prime is 326983. The reversal of 326973 is 379623.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 379623 = 3 ⋅126541.

It is not a de Polignac number, because 326973 - 2⁵ = 326941 is a prime.

It is a super-2 number, since 2×326973² = 213822685458, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326973.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 326973.

It is not an unprimeable number, because it can be changed into a prime (326903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54493 + ... + 54498.

It is an arithmetic number, because the mean of its divisors is an integer number (108992).

2³²⁶⁹⁷³ is an apocalyptic number.

It is an amenable number.

326973 is a deficient number, since it is larger than the sum of its proper divisors (108995).

326973 is a wasteful number, since it uses less digits than its factorization.

326973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108994.

The product of its digits is 6804, while the sum is 30.

The square root of 326973 is about 571.8155296947. The cubic root of 326973 is about 68.8922915227.

Subtracting 326973 from its reverse (379623), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 326973 in words is "three hundred twenty-six thousand, nine hundred seventy-three".