326162620 has 72 divisors (see below), whose sum is σ = 810416880. Its totient is φ = 109912320.

The previous prime is 326162591. The next prime is 326162647. The reversal of 326162620 is 26261623.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55000 + ... + 60640.

It is an arithmetic number, because the mean of its divisors is an integer number (11255790).

Almost surely, 2^326162620 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 326162620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405208440).

326162620 is an abundant number, since it is smaller than the sum of its proper divisors (484254260).

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

326162620 is a wasteful number, since it uses less digits than its factorization.

326162620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 326162620 is about 18059.9728681967. The cubic root of 326162620 is about 688.3532950897.

The spelling of 326162620 in words is "three hundred twenty-six million, one hundred sixty-two thousand, six hundred twenty".