4493409 has 4 divisors (see below), whose sum is σ = 5991216. Its totient is φ = 2995604.

The previous prime is 4493407. The next prime is 4493413. The reversal of 4493409 is 9043944.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4493409 - 2¹ = 4493407 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4493409.

It is not an unprimeable number, because it can be changed into a prime (4493407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748899 + ... + 748904.

It is an arithmetic number, because the mean of its divisors is an integer number (1497804).

Almost surely, 2^4493409 is an apocalyptic number.

It is an amenable number.

4493409 is a deficient number, since it is larger than the sum of its proper divisors (1497807).

4493409 is a wasteful number, since it uses less digits than its factorization.

4493409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497806.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 4493409 is about 2119.7662606995. The cubic root of 4493409 is about 165.0157193472.

The spelling of 4493409 in words is "four million, four hundred ninety-three thousand, four hundred nine".