838011 has 4 divisors (see below), whose sum is σ = 1117352. Its totient is φ = 558672.
The previous prime is 838003. The next prime is 838021. The reversal of 838011 is 110838.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 838011 - 23 = 838003 is a prime.
It is a super-2 number, since 2×8380112 = 1404524872242, which contains 22 as substring.
It is a D-number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (838021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139666 + ... + 139671.
It is an arithmetic number, because the mean of its divisors is an integer number (279338).
2838011 is an apocalyptic number.
838011 is a deficient number, since it is larger than the sum of its proper divisors (279341).
838011 is a wasteful number, since it uses less digits than its factorization.
838011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279340.
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 838011 is about 915.4294074368. The cubic root of 838011 is about 94.2793485798.
Adding to 838011 its reverse (110838), we get a palindrome (948849).
The spelling of 838011 in words is "eight hundred thirty-eight thousand, eleven".
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