863047 has 2 divisors, whose sum is σ = 863048. Its totient is φ = 863046.

The previous prime is 863017. The next prime is 863081. The reversal of 863047 is 740368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 863047 - 2⁷ = 862919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863017) 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, 431523 + 431524.

It is an arithmetic number, because the mean of its divisors is an integer number (431524).

2⁸⁶³⁰⁴⁷ is an apocalyptic number.

863047 is a deficient number, since it is larger than the sum of its proper divisors (1).

863047 is an equidigital number, since it uses as much as digits as its factorization.

863047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 863047 is about 929.0032292732. The cubic root of 863047 is about 95.2090318738.

The spelling of 863047 in words is "eight hundred sixty-three thousand, forty-seven".