328530386 has 16 divisors (see below), whose sum is σ = 511842240. Its totient is φ = 157962000.

The previous prime is 328530379. The next prime is 328530401. The reversal of 328530386 is 683035823.

It is a Curzon 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, 3275 + ... + 25841.

It is an arithmetic number, because the mean of its divisors is an integer number (31990140).

Almost surely, 2^328530386 is an apocalyptic number.

328530386 is a deficient number, since it is larger than the sum of its proper divisors (183311854).

328530386 is a wasteful number, since it uses less digits than its factorization.

328530386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22849.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 328530386 is about 18125.4071954260. The cubic root of 328530386 is about 690.0149727200.

The spelling of 328530386 in words is "three hundred twenty-eight million, five hundred thirty thousand, three hundred eighty-six".