838395 has 24 divisors (see below), whose sum is σ = 1502592. Its totient is φ = 432000.
The previous prime is 838393. The next prime is 838399. The reversal of 838395 is 593838.
It is not a de Polignac number, because 838395 - 21 = 838393 is a prime.
It is an Ulam number.
It is a plaindrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (838391) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 1095 + ... + 1695.
It is an arithmetic number, because the mean of its divisors is an integer number (62608).
2838395 is an apocalyptic number.
838395 is a deficient number, since it is larger than the sum of its proper divisors (664197).
838395 is a wasteful number, since it uses less digits than its factorization.
838395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 643 (or 640 counting only the distinct ones).
The product of its digits is 25920, while the sum is 36.
The square root of 838395 is about 915.6391210515. The cubic root of 838395 is about 94.2937468560.
The spelling of 838395 in words is "eight hundred thirty-eight thousand, three hundred ninety-five".
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