4468509 has 12 divisors (see below), whose sum is σ = 6735456. Its totient is φ = 2849352.

The previous prime is 4468493. The next prime is 4468537. The reversal of 4468509 is 9058644.

It is not a de Polignac number, because 4468509 - 2⁴ = 4468493 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4468559) 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 11 ways as a sum of consecutive naturals, for example, 10587 + ... + 11000.

It is an arithmetic number, because the mean of its divisors is an integer number (561288).

Almost surely, 2^4468509 is an apocalyptic number.

It is an amenable number.

4468509 is a deficient number, since it is larger than the sum of its proper divisors (2266947).

4468509 is a wasteful number, since it uses less digits than its factorization.

4468509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21616 (or 21613 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4468509 is about 2113.8848123774. The cubic root of 4468509 is about 164.7103458099.

The spelling of 4468509 in words is "four million, four hundred sixty-eight thousand, five hundred nine".