4386449 has 4 divisors (see below), whose sum is σ = 4458420. Its totient is φ = 4314480.

The previous prime is 4386443. The next prime is 4386457. The reversal of 4386449 is 9446834.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1030225 + 3356224 = 1015^2 + 1832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4386449 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4386443) 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 in 3 ways as a sum of consecutive naturals, for example, 35894 + ... + 36015.

It is an arithmetic number, because the mean of its divisors is an integer number (1114605).

Almost surely, 2^4386449 is an apocalyptic number.

It is an amenable number.

4386449 is a deficient number, since it is larger than the sum of its proper divisors (71971).

4386449 is an equidigital number, since it uses as much as digits as its factorization.

4386449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71970.

The product of its digits is 82944, while the sum is 38.

The square root of 4386449 is about 2094.3851126285. The cubic root of 4386449 is about 163.6958595757.

The spelling of 4386449 in words is "four million, three hundred eighty-six thousand, four hundred forty-nine".