328609658 has 16 divisors (see below), whose sum is σ = 531298656. Its totient is φ = 151532400.

The previous prime is 328609657. The next prime is 328609669. The reversal of 328609658 is 856906823.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (328609657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28433 + ... + 38283.

It is an arithmetic number, because the mean of its divisors is an integer number (33206166).

Almost surely, 2^328609658 is an apocalyptic number.

328609658 is a deficient number, since it is larger than the sum of its proper divisors (202688998).

328609658 is a wasteful number, since it uses less digits than its factorization.

328609658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11149.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 328609658 is about 18127.5938281946. The cubic root of 328609658 is about 690.0704667933.

The spelling of 328609658 in words is "three hundred twenty-eight million, six hundred nine thousand, six hundred fifty-eight".