1982449 has 4 divisors (see below), whose sum is σ = 2265664. Its totient is φ = 1699236.

The previous prime is 1982447. The next prime is 1982467. The reversal of 1982449 is 9442891.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9442891 = 59 ⋅160049.

It is not a de Polignac number, because 1982449 - 2¹ = 1982447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1982443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141597 + ... + 141610.

It is an arithmetic number, because the mean of its divisors is an integer number (566416).

2^1982449 is an apocalyptic number.

It is an amenable number.

1982449 is a deficient number, since it is larger than the sum of its proper divisors (283215).

1982449 is an equidigital number, since it uses as much as digits as its factorization.

1982449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283214.

The product of its digits is 20736, while the sum is 37.

The square root of 1982449 is about 1407.9946732854. The cubic root of 1982449 is about 125.6224737329.

The spelling of 1982449 in words is "one million, nine hundred eighty-two thousand, four hundred forty-nine".