326563460 has 12 divisors (see below), whose sum is σ = 685783308. Its totient is φ = 130625376.

The previous prime is 326563459. The next prime is 326563463. The reversal of 326563460 is 64365623.

It can be written as a sum of positive squares in 2 ways, for example, as 69089344 + 257474116 = 8312^2 + 16046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 326563460.

It is not an unprimeable number, because it can be changed into a prime (326563463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8164067 + ... + 8164106.

It is an arithmetic number, because the mean of its divisors is an integer number (57148609).

Almost surely, 2^326563460 is an apocalyptic number.

It is an amenable number.

326563460 is an abundant number, since it is smaller than the sum of its proper divisors (359219848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326563460 is a wasteful number, since it uses less digits than its factorization.

326563460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16328182 (or 16328180 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 326563460 is about 18071.0669303171. The cubic root of 326563460 is about 688.6351653019.

The spelling of 326563460 in words is "three hundred twenty-six million, five hundred sixty-three thousand, four hundred sixty".