838355 has 16 divisors (see below), whose sum is σ = 1218240. Its totient is φ = 540672.

The previous prime is 838351. The next prime is 838363. The reversal of 838355 is 553838.

It is a cyclic number.

It is not a de Polignac number, because 838355 - 2² = 838351 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (838351) 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, 110 + ... + 1299.

It is an arithmetic number, because the mean of its divisors is an integer number (76140).

2⁸³⁸³⁵⁵ is an apocalyptic number.

838355 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

838355 is a deficient number, since it is larger than the sum of its proper divisors (379885).

838355 is a wasteful number, since it uses less digits than its factorization.

838355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

The product of its digits is 14400, while the sum is 32.

The square root of 838355 is about 915.6172781244. The cubic root of 838355 is about 94.2922472407.

The spelling of 838355 in words is "eight hundred thirty-eight thousand, three hundred fifty-five".