326197872 has 480 divisors, whose sum is σ = 1282584576. Its totient is φ = 74649600.

The previous prime is 326197847. The next prime is 326197889. The reversal of 326197872 is 278791623.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4468428 + ... + 4468500.

Almost surely, 2^326197872 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 326197872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641292288).

326197872 is an abundant number, since it is smaller than the sum of its proper divisors (956386704).

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

326197872 is a wasteful number, since it uses less digits than its factorization.

326197872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 140 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 326197872 is about 18060.9488122856. The cubic root of 326197872 is about 688.3780935130.

The spelling of 326197872 in words is "three hundred twenty-six million, one hundred ninety-seven thousand, eight hundred seventy-two".