328817644 has 6 divisors (see below), whose sum is σ = 575430884. Its totient is φ = 164408820.

The previous prime is 328817641. The next prime is 328817647. The reversal of 328817644 is 446718823.

It is an interprime number because it is at equal distance from previous prime (328817641) and next prime (328817647).

It is a self number, because there is not a number n which added to its sum of digits gives 328817644.

It is not an unprimeable number, because it can be changed into a prime (328817641) 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, 41102202 + ... + 41102209.

Almost surely, 2^328817644 is an apocalyptic number.

It is an amenable number.

328817644 is a deficient number, since it is larger than the sum of its proper divisors (246613240).

328817644 is a wasteful number, since it uses less digits than its factorization.

328817644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82204415 (or 82204413 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 328817644 is about 18133.3296446075. The cubic root of 328817644 is about 690.2160242178.

The spelling of 328817644 in words is "three hundred twenty-eight million, eight hundred seventeen thousand, six hundred forty-four".