328318140 has 24 divisors (see below), whose sum is σ = 919290960. Its totient is φ = 87551488.

The previous prime is 328318103. The next prime is 328318153. The reversal of 328318140 is 41813823.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 328318098 and 328318107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2735925 + ... + 2736044.

It is an arithmetic number, because the mean of its divisors is an integer number (38303790).

Almost surely, 2^328318140 is an apocalyptic number.

328318140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328318140 is an abundant number, since it is smaller than the sum of its proper divisors (590972820).

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

328318140 is a wasteful number, since it uses less digits than its factorization.

328318140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471981 (or 5471979 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 328318140 is about 18119.5513189483. The cubic root of 328318140 is about 689.8663467238.

The spelling of 328318140 in words is "three hundred twenty-eight million, three hundred eighteen thousand, one hundred forty".