4455409 has 8 divisors (see below), whose sum is σ = 5162240. Its totient is φ = 3766176.

The previous prime is 4455403. The next prime is 4455461. The reversal of 4455409 is 9045544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4455409 - 2¹⁷ = 4324337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4455403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3849 + ... + 4870.

It is an arithmetic number, because the mean of its divisors is an integer number (645280).

Almost surely, 2^4455409 is an apocalyptic number.

It is an amenable number.

4455409 is a deficient number, since it is larger than the sum of its proper divisors (706831).

4455409 is an equidigital number, since it uses as much as digits as its factorization.

4455409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8799.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 4455409 is about 2110.7839775780. The cubic root of 4455409 is about 164.5492318530.

The spelling of 4455409 in words is "four million, four hundred fifty-five thousand, four hundred nine".