4385909 has 8 divisors (see below), whose sum is σ = 4875552. Its totient is φ = 3911440.

The previous prime is 4385897. The next prime is 4385923. The reversal of 4385909 is 9095834.

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 4385909 - 2¹⁶ = 4320373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4385009) 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, 3179 + ... + 4344.

It is an arithmetic number, because the mean of its divisors is an integer number (609444).

Almost surely, 2^4385909 is an apocalyptic number.

It is an amenable number.

4385909 is a deficient number, since it is larger than the sum of its proper divisors (489643).

4385909 is a wasteful number, since it uses less digits than its factorization.

4385909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7587.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 4385909 is about 2094.2561925419. The cubic root of 4385909 is about 163.6891419634.

The spelling of 4385909 in words is "four million, three hundred eighty-five thousand, nine hundred nine".