328667886 has 24 divisors (see below), whose sum is σ = 713753040. Its totient is φ = 109303776.

The previous prime is 328667873. The next prime is 328667891. The reversal of 328667886 is 688766823.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12895 + ... + 28698.

It is an arithmetic number, because the mean of its divisors is an integer number (29739710).

Almost surely, 2^328667886 is an apocalyptic number.

328667886 is an abundant number, since it is smaller than the sum of its proper divisors (385085154).

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

328667886 is a wasteful number, since it uses less digits than its factorization.

328667886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42040 (or 42037 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 328667886 is about 18129.1998168700. The cubic root of 328667886 is about 690.1112234064. Note that the first 3 decimals are identical.

The spelling of 328667886 in words is "three hundred twenty-eight million, six hundred sixty-seven thousand, eight hundred eighty-six".