328803841 has 4 divisors (see below), whose sum is σ = 331820500. Its totient is φ = 325787184.

The previous prime is 328803829. The next prime is 328803877. The reversal of 328803841 is 148308823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 269452225 + 59351616 = 16415^2 + 7704^2 .

It is a cyclic number.

It is not a de Polignac number, because 328803841 - 2⁵ = 328803809 is a prime.

It is a super-2 number, since 2×328803841² = 216223931712706562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328803841.

It is not an unprimeable number, because it can be changed into a prime (328803821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508166 + ... + 1508383.

It is an arithmetic number, because the mean of its divisors is an integer number (82955125).

Almost surely, 2^328803841 is an apocalyptic number.

It is an amenable number.

328803841 is a deficient number, since it is larger than the sum of its proper divisors (3016659).

328803841 is a wasteful number, since it uses less digits than its factorization.

328803841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016658.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 328803841 is about 18132.9490431093. The cubic root of 328803841 is about 690.2063661949.

The spelling of 328803841 in words is "three hundred twenty-eight million, eight hundred three thousand, eight hundred forty-one".