4348621 has 2 divisors, whose sum is σ = 4348622. Its totient is φ = 4348620.

The previous prime is 4348601. The next prime is 4348667. The reversal of 4348621 is 1268434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3802500 + 546121 = 1950^2 + 739^2 .

It is a cyclic number.

It is not a de Polignac number, because 4348621 - 2⁷ = 4348493 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4348621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4348601) 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, 2174310 + 2174311.

It is an arithmetic number, because the mean of its divisors is an integer number (2174311).

Almost surely, 2^4348621 is an apocalyptic number.

It is an amenable number.

4348621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4348621 is an equidigital number, since it uses as much as digits as its factorization.

4348621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 28.

The square root of 4348621 is about 2085.3347453107. The cubic root of 4348621 is about 163.2239385020.

The spelling of 4348621 in words is "four million, three hundred forty-eight thousand, six hundred twenty-one".