328641838 has 8 divisors (see below), whose sum is σ = 563386032. Its totient is φ = 140846496.

The previous prime is 328641827. The next prime is 328641853. The reversal of 328641838 is 838146823.

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

It is a junction number, because it is equal to n+sod(n) for n = 328641794 and 328641803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11737195 + ... + 11737222.

It is an arithmetic number, because the mean of its divisors is an integer number (70423254).

Almost surely, 2^328641838 is an apocalyptic number.

328641838 is a deficient number, since it is larger than the sum of its proper divisors (234744194).

328641838 is a wasteful number, since it uses less digits than its factorization.

328641838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23474426.

The product of its digits is 221184, while the sum is 43.

The square root of 328641838 is about 18128.4814035815. The cubic root of 328641838 is about 690.0929917377.

The spelling of 328641838 in words is "three hundred twenty-eight million, six hundred forty-one thousand, eight hundred thirty-eight".