328677501 has 4 divisors (see below), whose sum is σ = 438236672. Its totient is φ = 219118332.

The previous prime is 328677499. The next prime is 328677589. The reversal of 328677501 is 105776823.

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.

It is not a de Polignac number, because 328677501 - 2¹ = 328677499 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 328677501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328677001) 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 3 ways as a sum of consecutive naturals, for example, 54779581 + ... + 54779586.

It is an arithmetic number, because the mean of its divisors is an integer number (109559168).

Almost surely, 2^328677501 is an apocalyptic number.

It is an amenable number.

328677501 is a deficient number, since it is larger than the sum of its proper divisors (109559171).

328677501 is a wasteful number, since it uses less digits than its factorization.

328677501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109559170.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 328677501 is about 18129.4649948640. The cubic root of 328677501 is about 690.1179529501.

The spelling of 328677501 in words is "three hundred twenty-eight million, six hundred seventy-seven thousand, five hundred one".