326682361 has 8 divisors (see below), whose sum is σ = 347082120. Its totient is φ = 306891648.

The previous prime is 326682359. The next prime is 326682397. The reversal of 326682361 is 163286623.

326682361 = 12780² + 12781².

It can be written as a sum of positive squares in 4 ways, for example, as 163353961 + 163328400 = 12781^2 + 12780^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 326682361 - 2¹ = 326682359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 326682361.

It is not an unprimeable number, because it can be changed into a prime (326685361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151156 + ... + 153301.

It is an arithmetic number, because the mean of its divisors is an integer number (43385265).

Almost surely, 2^326682361 is an apocalyptic number.

326682361 is the 12781-st centered square number.

It is an amenable number.

326682361 is a deficient number, since it is larger than the sum of its proper divisors (20399759).

326682361 is a wasteful number, since it uses less digits than its factorization.

326682361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304523.

The product of its digits is 62208, while the sum is 37.

The square root of 326682361 is about 18074.3564477411. The cubic root of 326682361 is about 688.7187319839.

The spelling of 326682361 in words is "three hundred twenty-six million, six hundred eighty-two thousand, three hundred sixty-one".