1448209 has 4 divisors (see below), whose sum is σ = 1655104. Its totient is φ = 1241316.

The previous prime is 1448207. The next prime is 1448219. The reversal of 1448209 is 9028441.

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: 9028441 = 151 ⋅59791.

It is a cyclic number.

It is not a de Polignac number, because 1448209 - 2¹ = 1448207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1448203) 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, 103437 + ... + 103450.

It is an arithmetic number, because the mean of its divisors is an integer number (413776).

2^1448209 is an apocalyptic number.

It is an amenable number.

1448209 is a deficient number, since it is larger than the sum of its proper divisors (206895).

1448209 is an equidigital number, since it uses as much as digits as its factorization.

1448209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206894.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1448209 is about 1203.4155558243. The cubic root of 1448209 is about 113.1384993506.

The spelling of 1448209 in words is "one million, four hundred forty-eight thousand, two hundred nine".