4579409 has 4 divisors (see below), whose sum is σ = 4848804. Its totient is φ = 4310016.

The previous prime is 4579397. The next prime is 4579423. The reversal of 4579409 is 9049754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4293184 + 286225 = 2072^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 4579409 - 2⁸ = 4579153 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4579439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134672 + ... + 134705.

It is an arithmetic number, because the mean of its divisors is an integer number (1212201).

Almost surely, 2^4579409 is an apocalyptic number.

It is an amenable number.

4579409 is a deficient number, since it is larger than the sum of its proper divisors (269395).

4579409 is a wasteful number, since it uses less digits than its factorization.

4579409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269394.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 4579409 is about 2139.9553733665. The cubic root of 4579409 is about 166.0618267786.

The spelling of 4579409 in words is "four million, five hundred seventy-nine thousand, four hundred nine".