328868458 has 4 divisors (see below), whose sum is σ = 493302690. Its totient is φ = 164434228.

The previous prime is 328868453. The next prime is 328868461. The reversal of 328868458 is 854868823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 166229449 + 162639009 = 12893^2 + 12753^2 .

It is not an unprimeable number, because it can be changed into a prime (328868453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82217113 + ... + 82217116.

Almost surely, 2^328868458 is an apocalyptic number.

328868458 is a deficient number, since it is larger than the sum of its proper divisors (164434232).

328868458 is a wasteful number, since it uses less digits than its factorization.

328868458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164434231.

The product of its digits is 2949120, while the sum is 52.

The square root of 328868458 is about 18134.7307120894. The cubic root of 328868458 is about 690.2515766800.

The spelling of 328868458 in words is "three hundred twenty-eight million, eight hundred sixty-eight thousand, four hundred fifty-eight".