328071432 has 128 divisors (see below), whose sum is σ = 925344000. Its totient is φ = 96230400.

The previous prime is 328071427. The next prime is 328071433. The reversal of 328071432 is 234170823.

It is a self number, because there is not a number n which added to its sum of digits gives 328071432.

It is not an unprimeable number, because it can be changed into a prime (328071433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 913669 + ... + 914027.

It is an arithmetic number, because the mean of its divisors is an integer number (7229250).

Almost surely, 2^328071432 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 328071432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462672000).

328071432 is an abundant number, since it is smaller than the sum of its proper divisors (597272568).

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

328071432 is a wasteful number, since it uses less digits than its factorization.

328071432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 328071432 is about 18112.7422551087. The cubic root of 328071432 is about 689.6935080715.

The spelling of 328071432 in words is "three hundred twenty-eight million, seventy-one thousand, four hundred thirty-two".