4909189 has 8 divisors (see below), whose sum is σ = 5144832. Its totient is φ = 4675440.

The previous prime is 4909183. The next prime is 4909193. The reversal of 4909189 is 9819094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4909189 - 2¹³ = 4900997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909183) 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, 10372 + ... + 10834.

It is an arithmetic number, because the mean of its divisors is an integer number (643104).

Almost surely, 2^4909189 is an apocalyptic number.

It is an amenable number.

4909189 is a deficient number, since it is larger than the sum of its proper divisors (235643).

4909189 is a wasteful number, since it uses less digits than its factorization.

4909189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 4909189 is about 2215.6689734705. The cubic root of 4909189 is about 169.9560324588.

The spelling of 4909189 in words is "four million, nine hundred nine thousand, one hundred eighty-nine".