328983385 has 16 divisors (see below), whose sum is σ = 425698560. Its totient is φ = 243250560.

The previous prime is 328983383. The next prime is 328983401. The reversal of 328983385 is 583389823.

328983385 = T₃₃₆₉ + T₃₃₇₀ + ... + T₃₄₂₅.

It is a happy number.

It is not a de Polignac number, because 328983385 - 2¹ = 328983383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328983383) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38337 + ... + 46126.

It is an arithmetic number, because the mean of its divisors is an integer number (26606160).

Almost surely, 2^328983385 is an apocalyptic number.

It is an amenable number.

328983385 is a deficient number, since it is larger than the sum of its proper divisors (96715175).

328983385 is a wasteful number, since it uses less digits than its factorization.

328983385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84528.

The product of its digits is 1244160, while the sum is 49.

The square root of 328983385 is about 18137.8991341335. The cubic root of 328983385 is about 690.3319728608.

The spelling of 328983385 in words is "three hundred twenty-eight million, nine hundred eighty-three thousand, three hundred eighty-five".