4479649 has 6 divisors (see below), whose sum is σ = 4728210. Its totient is φ = 4243536.

The previous prime is 4479581. The next prime is 4479661. The reversal of 4479649 is 9469744.

It can be written as a sum of positive squares in only one way, i.e., 2608225 + 1871424 = 1615^2 + 1368^2 .

It is not a de Polignac number, because 4479649 - 2¹⁷ = 4348577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4479049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5844 + ... + 6565.

It is an arithmetic number, because the mean of its divisors is an integer number (788035).

Almost surely, 2^4479649 is an apocalyptic number.

It is an amenable number.

4479649 is a deficient number, since it is larger than the sum of its proper divisors (248561).

4479649 is a wasteful number, since it uses less digits than its factorization.

4479649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12447 (or 12428 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 4479649 is about 2116.5181312713. The cubic root of 4479649 is about 164.8471066086.

The spelling of 4479649 in words is "four million, four hundred seventy-nine thousand, six hundred forty-nine".