4947863 has 2 divisors, whose sum is σ = 4947864. Its totient is φ = 4947862.

The previous prime is 4947857. The next prime is 4947871. The reversal of 4947863 is 3687494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4947863 - 2¹² = 4943767 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 9 + 4³ + 7⁶ + 8³ + 6⁶ + 3¹⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 4947863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4947853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2473931 + 2473932.

It is an arithmetic number, because the mean of its divisors is an integer number (2473932).

Almost surely, 2^4947863 is an apocalyptic number.

4947863 is a deficient number, since it is larger than the sum of its proper divisors (1).

4947863 is an equidigital number, since it uses as much as digits as its factorization.

4947863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 4947863 is about 2224.3792392486. The cubic root of 4947863 is about 170.4011633231.

The spelling of 4947863 in words is "four million, nine hundred forty-seven thousand, eight hundred sixty-three".