326410656 has 288 divisors, whose sum is σ = 1062512640. Its totient is φ = 86860800.

The previous prime is 326410649. The next prime is 326410657. The reversal of 326410656 is 656014623.

326410656 = T₂₆₃ + T₂₆₄ + ... + T₁₂₅₄.

326410656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (326410657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5532355 + ... + 5532413.

It is an arithmetic number, because the mean of its divisors is an integer number (3689280).

Almost surely, 2^326410656 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 326410656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531256320).

326410656 is an abundant number, since it is smaller than the sum of its proper divisors (736101984).

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

326410656 is a wasteful number, since it uses less digits than its factorization.

326410656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 326410656 is about 18066.8385723679. The cubic root of 326410656 is about 688.5277409293.

The spelling of 326410656 in words is "three hundred twenty-six million, four hundred ten thousand, six hundred fifty-six".