4398049 has 2 divisors, whose sum is σ = 4398050. Its totient is φ = 4398048.

The previous prime is 4398047. The next prime is 4398061. The reversal of 4398049 is 9408934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4243600 + 154449 = 2060^2 + 393^2 .

It is a cyclic number.

It is not a de Polignac number, because 4398049 - 2¹ = 4398047 is a prime.

Together with 4398047, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4397999 and 4398017.

It is not a weakly prime, because it can be changed into another prime (4398047) 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, 2199024 + 2199025.

It is an arithmetic number, because the mean of its divisors is an integer number (2199025).

Almost surely, 2^4398049 is an apocalyptic number.

It is an amenable number.

4398049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4398049 is an equidigital number, since it uses as much as digits as its factorization.

4398049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 4398049 is about 2097.1525933990. The cubic root of 4398049 is about 163.8400309062.

The spelling of 4398049 in words is "four million, three hundred ninety-eight thousand, forty-nine".