326580685 has 8 divisors (see below), whose sum is σ = 402488856. Its totient is φ = 254203200.

The previous prime is 326580679. The next prime is 326580689. The reversal of 326580685 is 586085623.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51883209 + 274697476 = 7203^2 + 16574^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-326580685 is a prime.

It is a super-3 number, since 3×326580685³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326580689) 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, 882466 + ... + 882835.

It is an arithmetic number, because the mean of its divisors is an integer number (50311107).

Almost surely, 2^326580685 is an apocalyptic number.

It is an amenable number.

326580685 is a deficient number, since it is larger than the sum of its proper divisors (75908171).

326580685 is a wasteful number, since it uses less digits than its factorization.

326580685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765343.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 326580685 is about 18071.5435145978. The cubic root of 326580685 is about 688.6472727314.

The spelling of 326580685 in words is "three hundred twenty-six million, five hundred eighty thousand, six hundred eighty-five".