326155128 has 96 divisors (see below), whose sum is σ = 893113200. Its totient is φ = 99201024.

The previous prime is 326155103. The next prime is 326155147. The reversal of 326155128 is 821551623.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 393018 + ... + 393846.

Almost surely, 2^326155128 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 326155128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446556600).

326155128 is an abundant number, since it is smaller than the sum of its proper divisors (566958072).

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

326155128 is a wasteful number, since it uses less digits than its factorization.

326155128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 944 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 326155128 is about 18059.7654469819. The cubic root of 326155128 is about 688.3480245262.

The spelling of 326155128 in words is "three hundred twenty-six million, one hundred fifty-five thousand, one hundred twenty-eight".