4420849 has 2 divisors, whose sum is σ = 4420850. Its totient is φ = 4420848.

The previous prime is 4420837. The next prime is 4420859. The reversal of 4420849 is 9480244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 734449 = 1920^2 + 857^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420849 - 2⁷ = 4420721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4420849.

It is not a weakly prime, because it can be changed into another prime (4420859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210424 + 2210425.

It is an arithmetic number, because the mean of its divisors is an integer number (2210425).

Almost surely, 2^4420849 is an apocalyptic number.

It is an amenable number.

4420849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420849 is an equidigital number, since it uses as much as digits as its factorization.

4420849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 4420849 is about 2102.5815085271. The cubic root of 4420849 is about 164.1226650205.

The spelling of 4420849 in words is "four million, four hundred twenty thousand, eight hundred forty-nine".