328701128 has 16 divisors (see below), whose sum is σ = 704359680. Its totient is φ = 140871888.

The previous prime is 328701097. The next prime is 328701143. The reversal of 328701128 is 821107823.

It is a junction number, because it is equal to n+sod(n) for n = 328701094 and 328701103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934776 + ... + 2934887.

It is an arithmetic number, because the mean of its divisors is an integer number (44022480).

Almost surely, 2^328701128 is an apocalyptic number.

It is an amenable number.

328701128 is an abundant number, since it is smaller than the sum of its proper divisors (375658552).

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

328701128 is a wasteful number, since it uses less digits than its factorization.

328701128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5869676 (or 5869672 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 328701128 is about 18130.1166019416. The cubic root of 328701128 is about 690.1344889427.

The spelling of 328701128 in words is "three hundred twenty-eight million, seven hundred one thousand, one hundred twenty-eight".