4319009 has 8 divisors (see below), whose sum is σ = 4565760. Its totient is φ = 4077216.

The previous prime is 4318997. The next prime is 4319017. The reversal of 4319009 is 9009134.

It is a happy number.

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 4319009 - 2¹² = 4314913 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 (4319069) 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, 629 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (570720).

Almost surely, 2^4319009 is an apocalyptic number.

It is an amenable number.

4319009 is a deficient number, since it is larger than the sum of its proper divisors (246751).

4319009 is a wasteful number, since it uses less digits than its factorization.

4319009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 4319009 is about 2078.2225578604. Note that the first 3 decimals coincide. The cubic root of 4319009 is about 162.8526023958.

The spelling of 4319009 in words is "four million, three hundred nineteen thousand, nine".