Search a number
39863 is a prime number
BaseRepresentation
bin1001101110110111
32000200102
421232313
52233423
6504315
7224135
oct115667
960612
1039863
1127a4a
121b09b
13151b5
1410755
15bc28
hex9bb7

39863 has 2 divisors, whose sum is σ = 39864. Its totient is φ = 39862.

The previous prime is 39857. The next prime is 39869. The reversal of 39863 is 36893.

It is a balanced prime because it is at equal distance from previous prime (39857) and next prime (39869).

It is a cyclic number.

It is not a de Polignac number, because 39863 - 24 = 39847 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 39863.

It is not a weakly prime, because it can be changed into another prime (39869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19931 + 19932.

It is an arithmetic number, because the mean of its divisors is an integer number (19932).

239863 is an apocalyptic number.

39863 is a deficient number, since it is larger than the sum of its proper divisors (1).

39863 is an equidigital number, since it uses as much as digits as its factorization.

39863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 39863 is about 199.6572062311. The cubic root of 39863 is about 34.1604298220.

The spelling of 39863 in words is "thirty-nine thousand, eight hundred sixty-three".