328838005 has 4 divisors (see below), whose sum is σ = 394605612. Its totient is φ = 263070400.

The previous prime is 328837979. The next prime is 328838011. The reversal of 328838005 is 500838823.

It is a happy number.

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 131744484 + 197093521 = 11478^2 + 14039^2 .

It is not a de Polignac number, because 328838005 - 2²³ = 320449397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32883796 + ... + 32883805.

It is an arithmetic number, because the mean of its divisors is an integer number (98651403).

Almost surely, 2^328838005 is an apocalyptic number.

It is an amenable number.

328838005 is a deficient number, since it is larger than the sum of its proper divisors (65767607).

328838005 is an equidigital number, since it uses as much as digits as its factorization.

328838005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65767606.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 328838005 is about 18133.8910606632. The cubic root of 328838005 is about 690.2302704104.

The spelling of 328838005 in words is "three hundred twenty-eight million, eight hundred thirty-eight thousand, five".