4368641 has 2 divisors, whose sum is σ = 4368642. Its totient is φ = 4368640.

The previous prime is 4368629. The next prime is 4368649. The reversal of 4368641 is 1468634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3610000 + 758641 = 1900^2 + 871^2 .

It is a cyclic number.

It is not a de Polignac number, because 4368641 - 2¹⁰ = 4367617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4368598 and 4368607.

It is not a weakly prime, because it can be changed into another prime (4368649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2184320 + 2184321.

It is an arithmetic number, because the mean of its divisors is an integer number (2184321).

Almost surely, 2^4368641 is an apocalyptic number.

It is an amenable number.

4368641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4368641 is an equidigital number, since it uses as much as digits as its factorization.

4368641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 4368641 is about 2090.1294218301. The cubic root of 4368641 is about 163.4740362841.

The spelling of 4368641 in words is "four million, three hundred sixty-eight thousand, six hundred forty-one".