328811240 has 16 divisors (see below), whose sum is σ = 739825380. Its totient is φ = 131524480.

The previous prime is 328811233. The next prime is 328811269. The reversal of 328811240 is 42118823.

It can be written as a sum of positive squares in 2 ways, for example, as 321915364 + 6895876 = 17942^2 + 2626^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4110101 + ... + 4110180.

Almost surely, 2^328811240 is an apocalyptic number.

It is an amenable number.

328811240 is an abundant number, since it is smaller than the sum of its proper divisors (411014140).

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

328811240 is a wasteful number, since it uses less digits than its factorization.

328811240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8220292 (or 8220288 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 328811240 is about 18133.1530628294. The cubic root of 328811240 is about 690.2115433430.

The spelling of 328811240 in words is "three hundred twenty-eight million, eight hundred eleven thousand, two hundred forty".