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863983 is a prime number
BaseRepresentation
bin11010010111011101111
31121220011101
43102323233
5210121413
630303531
710225621
oct3227357
91556141
10863983
1154013a
12357ba7
13243343
14186c11
15120edd
hexd2eef

863983 has 2 divisors, whose sum is σ = 863984. Its totient is φ = 863982.

The previous prime is 863959. The next prime is 864007. The reversal of 863983 is 389368.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (863959) and next prime (864007).

It is a cyclic number.

It is not a de Polignac number, because 863983 - 217 = 732911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863783) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431991 + 431992.

It is an arithmetic number, because the mean of its divisors is an integer number (431992).

2863983 is an apocalyptic number.

863983 is a deficient number, since it is larger than the sum of its proper divisors (1).

863983 is an equidigital number, since it uses as much as digits as its factorization.

863983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 863983 is about 929.5068585008. The cubic root of 863983 is about 95.2434384423.

The spelling of 863983 in words is "eight hundred sixty-three thousand, nine hundred eighty-three".