328104001 has 4 divisors (see below), whose sum is σ = 328142272. Its totient is φ = 328065732.

The previous prime is 328103987. The next prime is 328104019. The reversal of 328104001 is 100401823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 100401823 = 47 ⋅2136209.

It is a cyclic number.

It is not a de Polignac number, because 328104001 - 2¹¹ = 328101953 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 328104001.

It is not an unprimeable number, because it can be changed into a prime (328104071) 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 in 3 ways as a sum of consecutive naturals, for example, 316 + ... + 25618.

It is an arithmetic number, because the mean of its divisors is an integer number (82035568).

Almost surely, 2^328104001 is an apocalyptic number.

It is an amenable number.

328104001 is a deficient number, since it is larger than the sum of its proper divisors (38271).

328104001 is a wasteful number, since it uses less digits than its factorization.

328104001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38270.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 328104001 is about 18113.6412959957. The cubic root of 328104001 is about 689.7163302198.

Adding to 328104001 its reverse (100401823), we get a palindrome (428505824).

It can be divided in two parts, 328 and 104001, that added together give a square (104329 = 323²).

The spelling of 328104001 in words is "three hundred twenty-eight million, one hundred four thousand, one".