328688486 has 32 divisors (see below), whose sum is σ = 601282560. Its totient is φ = 131616576.

The previous prime is 328688483. The next prime is 328688491. The reversal of 328688486 is 684886823.

It is a super-2 number, since 2×328688486² = 216072241657944392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328688483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10955 + ... + 27881.

It is an arithmetic number, because the mean of its divisors is an integer number (18790080).

Almost surely, 2^328688486 is an apocalyptic number.

328688486 is a deficient number, since it is larger than the sum of its proper divisors (272594074).

328688486 is a wasteful number, since it uses less digits than its factorization.

328688486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17028.

The product of its digits is 3538944, while the sum is 53.

The square root of 328688486 is about 18129.7679521830. The cubic root of 328688486 is about 690.1256411969.

The spelling of 328688486 in words is "three hundred twenty-eight million, six hundred eighty-eight thousand, four hundred eighty-six".