328662472 has 8 divisors (see below), whose sum is σ = 616242150. Its totient is φ = 164331232.

The previous prime is 328662463. The next prime is 328662473. The reversal of 328662472 is 274266823.

It can be written as a sum of positive squares in only one way, i.e., 325225156 + 3437316 = 18034^2 + 1854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (328662473) 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 as a sum of consecutive naturals, namely, 20541397 + ... + 20541412.

Almost surely, 2^328662472 is an apocalyptic number.

It is an amenable number.

328662472 is a deficient number, since it is larger than the sum of its proper divisors (287579678).

328662472 is a wasteful number, since it uses less digits than its factorization.

328662472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41082815 (or 41082811 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 328662472 is about 18129.0504991298. The cubic root of 328662472 is about 690.1074340871.

The spelling of 328662472 in words is "three hundred twenty-eight million, six hundred sixty-two thousand, four hundred seventy-two".