4888621 has 2 divisors, whose sum is σ = 4888622. Its totient is φ = 4888620.

The previous prime is 4888619. The next prime is 4888633. The reversal of 4888621 is 1268884.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4888521 + 100 = 2211^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 4888621 - 2¹ = 4888619 is a prime.

Together with 4888619, it forms a pair of twin primes.

It is a Chen prime.

4888621 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4888651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2444310 + 2444311.

It is an arithmetic number, because the mean of its divisors is an integer number (2444311).

Almost surely, 2^4888621 is an apocalyptic number.

It is an amenable number.

4888621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4888621 is an equidigital number, since it uses as much as digits as its factorization.

4888621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 37.

The square root of 4888621 is about 2211.0226140861. The cubic root of 4888621 is about 169.7183456108.

The spelling of 4888621 in words is "four million, eight hundred eighty-eight thousand, six hundred twenty-one".