857214 has 12 divisors (see below), whose sum is σ = 1857336. Its totient is φ = 285732.
The previous prime is 857203. The next prime is 857221. The reversal of 857214 is 412758.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 23794 + ... + 23829.
It is an arithmetic number, because the mean of its divisors is an integer number (154778).
2857214 is an apocalyptic number.
857214 is an abundant number, since it is smaller than the sum of its proper divisors (1000122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
857214 is a wasteful number, since it uses less digits than its factorization.
857214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47631 (or 47628 counting only the distinct ones).
The product of its digits is 2240, while the sum is 27.
The square root of 857214 is about 925.8585205095. The cubic root of 857214 is about 94.9940531827.
The spelling of 857214 in words is "eight hundred fifty-seven thousand, two hundred fourteen".
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