328305238 has 8 divisors (see below), whose sum is σ = 492861600. Its totient is φ = 164018040.

The previous prime is 328305223. The next prime is 328305253. The reversal of 328305238 is 832503823.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (328305223) and next prime (328305253).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 64213 + ... + 69136.

It is an arithmetic number, because the mean of its divisors is an integer number (61607700).

Almost surely, 2^328305238 is an apocalyptic number.

328305238 is a deficient number, since it is larger than the sum of its proper divisors (164556362).

328305238 is a wasteful number, since it uses less digits than its factorization.

328305238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134582.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 328305238 is about 18119.1952911822. The cubic root of 328305238 is about 689.8573099887.

The spelling of 328305238 in words is "three hundred twenty-eight million, three hundred five thousand, two hundred thirty-eight".