2039449 has 4 divisors (see below), whose sum is σ = 2048436. Its totient is φ = 2030464.

The previous prime is 2039437. The next prime is 2039461. The reversal of 2039449 is 9449302.

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

It is an interprime number because it is at equal distance from previous prime (2039437) and next prime (2039461).

It can be written as a sum of positive squares in 2 ways, for example, as 1123600 + 915849 = 1060^2 + 957^2 .

It is a cyclic number.

It is not a de Polignac number, because 2039449 - 2⁵ = 2039417 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2039449.

It is not an unprimeable number, because it can be changed into a prime (2039549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4144 + ... + 4609.

It is an arithmetic number, because the mean of its divisors is an integer number (512109).

2^2039449 is an apocalyptic number.

It is an amenable number.

2039449 is a deficient number, since it is larger than the sum of its proper divisors (8987).

2039449 is an equidigital number, since it uses as much as digits as its factorization.

2039449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8986.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2039449 is about 1428.0927841005. The cubic root of 2039449 is about 126.8150945486.

The spelling of 2039449 in words is "two million, thirty-nine thousand, four hundred forty-nine".