328248785 has 8 divisors (see below), whose sum is σ = 394011816. Its totient is φ = 262523520.

The previous prime is 328248773. The next prime is 328248827. The reversal of 328248785 is 587842823.

It can be written as a sum of positive squares in 4 ways, for example, as 32821441 + 295427344 = 5729^2 + 17188^2 .

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

It is not a de Polignac number, because 328248785 - 2¹⁰ = 328247761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15845 + ... + 30125.

It is an arithmetic number, because the mean of its divisors is an integer number (49251477).

Almost surely, 2^328248785 is an apocalyptic number.

It is an amenable number.

328248785 is a deficient number, since it is larger than the sum of its proper divisors (65763031).

328248785 is a wasteful number, since it uses less digits than its factorization.

328248785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18883.

The product of its digits is 860160, while the sum is 47.

The square root of 328248785 is about 18117.6374011624. The cubic root of 328248785 is about 689.8177667601.

The spelling of 328248785 in words is "three hundred twenty-eight million, two hundred forty-eight thousand, seven hundred eighty-five".