328775748 has 48 divisors (see below), whose sum is σ = 893289600. Its totient is φ = 92162304.

The previous prime is 328775743. The next prime is 328775779. The reversal of 328775748 is 847577823.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 328775748.

It is not an unprimeable number, because it can be changed into a prime (328775743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32473 + ... + 41376.

It is an arithmetic number, because the mean of its divisors is an integer number (18610200).

Almost surely, 2^328775748 is an apocalyptic number.

It is an amenable number.

328775748 is an abundant number, since it is smaller than the sum of its proper divisors (564513852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328775748 is a wasteful number, since it uses less digits than its factorization.

328775748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73916 (or 73914 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 51.

The square root of 328775748 is about 18132.1743869840. The cubic root of 328775748 is about 690.1867085578.

The spelling of 328775748 in words is "three hundred twenty-eight million, seven hundred seventy-five thousand, seven hundred forty-eight".