838838 has 32 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 300960.

The previous prime is 838837. The next prime is 838853.

838838 is nontrivially palindromic in base 10.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1793 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2⁸³⁸⁸³⁸ is an apocalyptic number.

838838 is an abundant number, since it is smaller than the sum of its proper divisors (854602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

838838 is a wasteful number, since it uses less digits than its factorization.

838838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its digits is 36864, while the sum is 38.

The square root of 838838 is about 915.8809966366. The cubic root of 838838 is about 94.3103519068.

The spelling of 838838 in words is "eight hundred thirty-eight thousand, eight hundred thirty-eight".