328633403 has 8 divisors (see below), whose sum is σ = 375933408. Its totient is φ = 281421504.

The previous prime is 328633339. The next prime is 328633421. The reversal of 328633403 is 304336823.

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

It is not a de Polignac number, because 328633403 - 2⁶ = 328633339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328633403.

It is not an unprimeable number, because it can be changed into a prime (328633433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13826 + ... + 29127.

It is an arithmetic number, because the mean of its divisors is an integer number (46991676).

Almost surely, 2^328633403 is an apocalyptic number.

328633403 is a deficient number, since it is larger than the sum of its proper divisors (47300005).

328633403 is a wasteful number, since it uses less digits than its factorization.

328633403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44053.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 328633403 is about 18128.2487571194. The cubic root of 328633403 is about 690.0870876566.

The spelling of 328633403 in words is "three hundred twenty-eight million, six hundred thirty-three thousand, four hundred three".