328612501 has 8 divisors (see below), whose sum is σ = 375706304. Its totient is φ = 281556000.

The previous prime is 328612483. The next prime is 328612513. The reversal of 328612501 is 105216823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328612501 - 2⁵ = 328612469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328612501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328612591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13186 + ... + 28828.

It is an arithmetic number, because the mean of its divisors is an integer number (46963288).

Almost surely, 2^328612501 is an apocalyptic number.

It is an amenable number.

328612501 is a deficient number, since it is larger than the sum of its proper divisors (47093803).

328612501 is a wasteful number, since it uses less digits than its factorization.

328612501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18651.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 328612501 is about 18127.6722443892. The cubic root of 328612501 is about 690.0724568593.

The spelling of 328612501 in words is "three hundred twenty-eight million, six hundred twelve thousand, five hundred one".