860447 has 4 divisors (see below), whose sum is σ = 983376. Its totient is φ = 737520.
The previous prime is 860441. The next prime is 860479. The reversal of 860447 is 744068.
860447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 860447 - 26 = 860383 is a prime.
It is a d-powerful number, because it can be written as 85 + 62 + 4 + 0 + 46 + 77 .
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (860441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61454 + ... + 61467.
It is an arithmetic number, because the mean of its divisors is an integer number (245844).
2860447 is an apocalyptic number.
860447 is a deficient number, since it is larger than the sum of its proper divisors (122929).
860447 is a wasteful number, since it uses less digits than its factorization.
860447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122928.
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 860447 is about 927.6028244890. The cubic root of 860447 is about 95.1133273597.
The spelling of 860447 in words is "eight hundred sixty thousand, four hundred forty-seven".
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