328705206 has 16 divisors (see below), whose sum is σ = 692011200. Its totient is φ = 103801608.

The previous prime is 328705193. The next prime is 328705211. The reversal of 328705206 is 602507823.

It is a super-2 number, since 2×328705206² = 216094224903004872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441576 + ... + 1441803.

It is an arithmetic number, because the mean of its divisors is an integer number (43250700).

Almost surely, 2^328705206 is an apocalyptic number.

328705206 is an abundant number, since it is smaller than the sum of its proper divisors (363305994).

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

328705206 is a wasteful number, since it uses less digits than its factorization.

328705206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883403.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 328705206 is about 18130.2290663963. The cubic root of 328705206 is about 690.1373429607.

The spelling of 328705206 in words is "three hundred twenty-eight million, seven hundred five thousand, two hundred six".