4198909 has 8 divisors (see below), whose sum is σ = 4933152. Its totient is φ = 3523440.

The previous prime is 4198891. The next prime is 4198921. The reversal of 4198909 is 9098914.

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 4198909 - 2⁵ = 4198877 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 (4198309) 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, 14539 + ... + 14824.

It is an arithmetic number, because the mean of its divisors is an integer number (616644).

Almost surely, 2^4198909 is an apocalyptic number.

It is an amenable number.

4198909 is a deficient number, since it is larger than the sum of its proper divisors (734243).

4198909 is a wasteful number, since it uses less digits than its factorization.

4198909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29387.

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

The square root of 4198909 is about 2049.1239591591. The cubic root of 4198909 is about 161.3288931494.

The spelling of 4198909 in words is "four million, one hundred ninety-eight thousand, nine hundred nine".