326032128 has 126 divisors (see below), whose sum is σ = 976298204. Its totient is φ = 108615168.

The previous prime is 326032093. The next prime is 326032139. The reversal of 326032128 is 821230623.

326032128 is a `hidden beast` number, since 32 + 603 + 2 + 1 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 185751 + ... + 187497.

Almost surely, 2^326032128 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 326032128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488149102).

326032128 is an abundant number, since it is smaller than the sum of its proper divisors (650266076).

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

326032128 is an frugal number, since it uses more digits than its factorization.

326032128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 326032128 is about 18056.3597660215. The cubic root of 326032128 is about 688.2614834448.

The spelling of 326032128 in words is "three hundred twenty-six million, thirty-two thousand, one hundred twenty-eight".