838216 has 16 divisors (see below), whose sum is σ = 1626300. Its totient is φ = 404544.

The previous prime is 838207. The next prime is 838247. The reversal of 838216 is 612838.

It can be written as a sum of positive squares in 2 ways, for example, as 729316 + 108900 = 854^2 + 330^2 .

It is an unprimeable number.

838216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575 + ... + 2038.

2⁸³⁸²¹⁶ is an apocalyptic number.

It is an amenable number.

838216 is a deficient number, since it is larger than the sum of its proper divisors (788084).

838216 is a wasteful number, since it uses less digits than its factorization.

838216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648 (or 3644 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 838216 is about 915.5413699009. The cubic root of 838216 is about 94.2870357067.

The spelling of 838216 in words is "eight hundred thirty-eight thousand, two hundred sixteen".