678041 has 8 divisors (see below), whose sum is σ = 834624. Its totient is φ = 536400.
The previous prime is 678037. The next prime is 678047. The reversal of 678041 is 140876.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 678041 - 22 = 678037 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 678041.
It is not an unprimeable number, because it can be changed into a prime (678047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3635 + ... + 3816.
It is an arithmetic number, because the mean of its divisors is an integer number (104328).
2678041 is an apocalyptic number.
It is an amenable number.
678041 is a deficient number, since it is larger than the sum of its proper divisors (156583).
678041 is a wasteful number, since it uses less digits than its factorization.
678041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7471.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 678041 is about 823.4324501743. The cubic root of 678041 is about 87.8520672277.
The spelling of 678041 in words is "six hundred seventy-eight thousand, forty-one".
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