4821847 has 2 divisors, whose sum is σ = 4821848. Its totient is φ = 4821846.

The previous prime is 4821821. The next prime is 4821853. The reversal of 4821847 is 7481284.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4821847 - 2¹¹ = 4819799 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4821247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2410923 + 2410924.

It is an arithmetic number, because the mean of its divisors is an integer number (2410924).

Almost surely, 2^4821847 is an apocalyptic number.

4821847 is a deficient number, since it is larger than the sum of its proper divisors (1).

4821847 is an equidigital number, since it uses as much as digits as its factorization.

4821847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 34.

The square root of 4821847 is about 2195.8704424442. The cubic root of 4821847 is about 168.9420690067.

The spelling of 4821847 in words is "four million, eight hundred twenty-one thousand, eight hundred forty-seven".