326352564 has 60 divisors (see below), whose sum is σ = 857648484. Its totient is φ = 108210816.

The previous prime is 326352529. The next prime is 326352583. The reversal of 326352564 is 465253623.

326352564 is a `hidden beast` number, since 32 + 63 + 5 + 2 + 564 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 156050064 + 170302500 = 12492^2 + 13050^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61272 + ... + 66384.

Almost surely, 2^326352564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326352564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428824242).

326352564 is an abundant number, since it is smaller than the sum of its proper divisors (531295920).

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

326352564 is a wasteful number, since it uses less digits than its factorization.

326352564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326 (or 5315 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 326352564 is about 18065.2308039504. The cubic root of 326352564 is about 688.4868922562.

The spelling of 326352564 in words is "three hundred twenty-six million, three hundred fifty-two thousand, five hundred sixty-four".