4809449 has 4 divisors (see below), whose sum is σ = 4830864. Its totient is φ = 4788036.

The previous prime is 4809443. The next prime is 4809457. The reversal of 4809449 is 9449084.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4809449 is a prime.

It is a super-3 number, since 3×4809449³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4809443) 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, 10367 + ... + 10820.

It is an arithmetic number, because the mean of its divisors is an integer number (1207716).

Almost surely, 2^4809449 is an apocalyptic number.

It is an amenable number.

4809449 is a deficient number, since it is larger than the sum of its proper divisors (21415).

4809449 is a wasteful number, since it uses less digits than its factorization.

4809449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21414.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4809449 is about 2193.0455991611. The cubic root of 4809449 is about 168.7971493308.

The spelling of 4809449 in words is "four million, eight hundred nine thousand, four hundred forty-nine".