4847621 has 2 divisors, whose sum is σ = 4847622. Its totient is φ = 4847620.

The previous prime is 4847597. The next prime is 4847639. The reversal of 4847621 is 1267484.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 1406596 = 1855^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 4847621 - 2¹⁴ = 4831237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4847671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2423810 + 2423811.

It is an arithmetic number, because the mean of its divisors is an integer number (2423811).

Almost surely, 2^4847621 is an apocalyptic number.

It is an amenable number.

4847621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4847621 is an equidigital number, since it uses as much as digits as its factorization.

4847621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 4847621 is about 2201.7313641768. The cubic root of 4847621 is about 169.2425470559.

The spelling of 4847621 in words is "four million, eight hundred forty-seven thousand, six hundred twenty-one".