163828238 has 16 divisors (see below), whose sum is σ = 281024640. Its totient is φ = 70168056.

The previous prime is 163828219. The next prime is 163828253. The reversal of 163828238 is 832828361.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 163828195 and 163828204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30245 + ... + 35247.

It is an arithmetic number, because the mean of its divisors is an integer number (17564040).

Almost surely, 2^163828238 is an apocalyptic number.

163828238 is a deficient number, since it is larger than the sum of its proper divisors (117196402).

163828238 is a wasteful number, since it uses less digits than its factorization.

163828238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351.

The product of its digits is 110592, while the sum is 41.

The square root of 163828238 is about 12799.5405386287. The cubic root of 163828238 is about 547.1792083933.

The spelling of 163828238 in words is "one hundred sixty-three million, eight hundred twenty-eight thousand, two hundred thirty-eight".