326309472 has 180 divisors, whose sum is σ = 999192348. Its totient is φ = 104457600.

The previous prime is 326309419. The next prime is 326309491. The reversal of 326309472 is 274903623.

It is a happy number.

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

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2490847 + ... + 2490977.

Almost surely, 2^326309472 is an apocalyptic number.

326309472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326309472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499596174).

326309472 is an abundant number, since it is smaller than the sum of its proper divisors (672882876).

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

326309472 is a wasteful number, since it uses less digits than its factorization.

326309472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 326309472 is about 18064.0380867623. The cubic root of 326309472 is about 688.4565880327.

The spelling of 326309472 in words is "three hundred twenty-six million, three hundred nine thousand, four hundred seventy-two".