4375309 has 8 divisors (see below), whose sum is σ = 4603392. Its totient is φ = 4152720.

The previous prime is 4375253. The next prime is 4375321. The reversal of 4375309 is 9035734.

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 4375309 - 2¹¹ = 4373261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4373309) 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, 312 + ... + 2974.

It is an arithmetic number, because the mean of its divisors is an integer number (575424).

Almost surely, 2^4375309 is an apocalyptic number.

It is an amenable number.

4375309 is a deficient number, since it is larger than the sum of its proper divisors (228083).

4375309 is a wasteful number, since it uses less digits than its factorization.

4375309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 4375309 is about 2091.7239301590. The cubic root of 4375309 is about 163.5571659311.

The spelling of 4375309 in words is "four million, three hundred seventy-five thousand, three hundred nine".