4104421 has 2 divisors, whose sum is σ = 4104422. Its totient is φ = 4104420.

The previous prime is 4104403. The next prime is 4104427. The reversal of 4104421 is 1244014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3381921 + 722500 = 1839^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 4104421 - 2¹⁹ = 3580133 is a prime.

4104421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4104395 and 4104404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4104427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052210 + 2052211.

It is an arithmetic number, because the mean of its divisors is an integer number (2052211).

Almost surely, 2^4104421 is an apocalyptic number.

It is an amenable number.

4104421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4104421 is an equidigital number, since it uses as much as digits as its factorization.

4104421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4104421 is about 2025.9370671371. The cubic root of 4104421 is about 160.1095733808.

Adding to 4104421 its reverse (1244014), we get a palindrome (5348435).

The spelling of 4104421 in words is "four million, one hundred four thousand, four hundred twenty-one".