4494609 has 20 divisors (see below), whose sum is σ = 7674304. Its totient is φ = 2568024.

The previous prime is 4494593. The next prime is 4494619. The reversal of 4494609 is 9064944.

4494609 is a `hidden beast` number, since 4 + 49 + 4 + 609 = 666.

It is not a de Polignac number, because 4494609 - 2⁴ = 4494593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4494619) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3397 + ... + 4530.

Almost surely, 2^4494609 is an apocalyptic number.

It is an amenable number.

4494609 is a deficient number, since it is larger than the sum of its proper divisors (3179695).

4494609 is an equidigital number, since it uses as much as digits as its factorization.

4494609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7946 (or 7937 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4494609 is about 2120.0492918798. The cubic root of 4494609 is about 165.0304076190.

The spelling of 4494609 in words is "four million, four hundred ninety-four thousand, six hundred nine".