872212 has 24 divisors (see below), whose sum is σ = 1707552. Its totient is φ = 386400.
The previous prime is 872203. The next prime is 872227. The reversal of 872212 is 212278.
872212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a plaindrome in base 15.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1662 + ... + 2122.
It is an arithmetic number, because the mean of its divisors is an integer number (71148).
2872212 is an apocalyptic number.
It is an amenable number.
872212 is a deficient number, since it is larger than the sum of its proper divisors (835340).
872212 is a wasteful number, since it uses less digits than its factorization.
872212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 519 (or 517 counting only the distinct ones).
The product of its digits is 448, while the sum is 22.
The square root of 872212 is about 933.9229090241. The cubic root of 872212 is about 95.5448652985.
The spelling of 872212 in words is "eight hundred seventy-two thousand, two hundred twelve".
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