4499309 has 4 divisors (see below), whose sum is σ = 4644480. Its totient is φ = 4354140.

The previous prime is 4499273. The next prime is 4499317. The reversal of 4499309 is 9039944.

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 a de Polignac number, because none of the positive numbers 2^k-4499309 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 (4499359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72539 + ... + 72600.

It is an arithmetic number, because the mean of its divisors is an integer number (1161120).

Almost surely, 2^4499309 is an apocalyptic number.

It is an amenable number.

4499309 is a deficient number, since it is larger than the sum of its proper divisors (145171).

4499309 is a wasteful number, since it uses less digits than its factorization.

4499309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145170.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 4499309 is about 2121.1574670448. The cubic root of 4499309 is about 165.0879115243.

The spelling of 4499309 in words is "four million, four hundred ninety-nine thousand, three hundred nine".