326856064 has 32 divisors (see below), whose sum is σ = 672171840. Its totient is φ = 158154240.

The previous prime is 326856007. The next prime is 326856067. The reversal of 326856064 is 460658623.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326856067) 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, 37219 + ... + 45154.

It is an arithmetic number, because the mean of its divisors is an integer number (21005370).

Almost surely, 2^326856064 is an apocalyptic number.

It is an amenable number.

326856064 is an abundant number, since it is smaller than the sum of its proper divisors (345315776).

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

326856064 is an equidigital number, since it uses as much as digits as its factorization.

326856064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82418 (or 82406 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 326856064 is about 18079.1610424820. The cubic root of 326856064 is about 688.8407784801.

The spelling of 326856064 in words is "three hundred twenty-six million, eight hundred fifty-six thousand, sixty-four".