885381 has 24 divisors (see below), whose sum is σ = 1450080. Its totient is φ = 477792.
The previous prime is 885371. The next prime is 885383. The reversal of 885381 is 183588.
It is not a de Polignac number, because 885381 - 214 = 868997 is a prime.
It is a super-2 number, since 2×8853812 = 1567799030322, which contains 22 as substring.
It is a Curzon number.
It is a nialpdrome in base 11.
It is a zygodrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (885383) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2635 + ... + 2951.
It is an arithmetic number, because the mean of its divisors is an integer number (60420).
2885381 is an apocalyptic number.
It is an amenable number.
885381 is a deficient number, since it is larger than the sum of its proper divisors (564699).
885381 is a wasteful number, since it uses less digits than its factorization.
885381 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 353 (or 346 counting only the distinct ones).
The product of its digits is 7680, while the sum is 33.
The square root of 885381 is about 940.9468635369. The cubic root of 885381 is about 96.0233233262.
The spelling of 885381 in words is "eight hundred eighty-five thousand, three hundred eighty-one".
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