845968 has 20 divisors (see below), whose sum is σ = 1684540. Its totient is φ = 411264.
The previous prime is 845951. The next prime is 845969. The reversal of 845968 is 869548.
It can be written as a sum of positive squares in 2 ways, for example, as 394384 + 451584 = 628^2 + 672^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 845968.
It is not an unprimeable number, because it can be changed into a prime (845969) by changing a digit.
845968 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123 + ... + 1306.
It is an arithmetic number, because the mean of its divisors is an integer number (84227).
2845968 is an apocalyptic number.
It is an amenable number.
845968 is a deficient number, since it is larger than the sum of its proper divisors (838572).
845968 is a wasteful number, since it uses less digits than its factorization.
845968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1474 (or 1468 counting only the distinct ones).
The product of its digits is 69120, while the sum is 40.
The square root of 845968 is about 919.7651874256. The cubic root of 845968 is about 94.5768064394.
The spelling of 845968 in words is "eight hundred forty-five thousand, nine hundred sixty-eight".
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