328241772 has 18 divisors (see below), whose sum is σ = 829722348. Its totient is φ = 109413912.

The previous prime is 328241743. The next prime is 328241789. The reversal of 328241772 is 277142823.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 9117827 = 328241772 / (3 + 2 + 8 + 2 + 4 + 1 + 7 + 7 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4558878 + ... + 4558949.

It is an arithmetic number, because the mean of its divisors is an integer number (46095686).

Almost surely, 2^328241772 is an apocalyptic number.

It is an amenable number.

328241772 is an abundant number, since it is smaller than the sum of its proper divisors (501480576).

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

328241772 is a wasteful number, since it uses less digits than its factorization.

328241772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9117837 (or 9117832 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 328241772 is about 18117.4438594411. The cubic root of 328241772 is about 689.8128540977.

It can be divided in two parts, 32824 and 1772, that added together give a square (34596 = 186²).

The spelling of 328241772 in words is "three hundred twenty-eight million, two hundred forty-one thousand, seven hundred seventy-two".