4309109 has 16 divisors (see below), whose sum is σ = 5328000. Its totient is φ = 3471552.

The previous prime is 4309079. The next prime is 4309121. The reversal of 4309109 is 9019034.

It is a happy number.

It is not a de Polignac number, because 4309109 - 2⁸ = 4308853 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 (4309169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5462 + ... + 6200.

It is an arithmetic number, because the mean of its divisors is an integer number (333000).

Almost surely, 2^4309109 is an apocalyptic number.

4309109 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4309109 is a deficient number, since it is larger than the sum of its proper divisors (1018891).

4309109 is an equidigital number, since it uses as much as digits as its factorization.

4309109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 763 counting only the distinct ones).

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

The square root of 4309109 is about 2075.8393483119. The cubic root of 4309109 is about 162.7280773647.

The spelling of 4309109 in words is "four million, three hundred nine thousand, one hundred nine".