4309385 has 4 divisors (see below), whose sum is σ = 5171268. Its totient is φ = 3447504.

The previous prime is 4309369. The next prime is 4309391. The reversal of 4309385 is 5839034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1201216 + 3108169 = 1096^2 + 1763^2 .

It is a cyclic number.

It is not a de Polignac number, because 4309385 - 2⁴ = 4309369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430934 + ... + 430943.

It is an arithmetic number, because the mean of its divisors is an integer number (1292817).

Almost surely, 2^4309385 is an apocalyptic number.

It is an amenable number.

4309385 is a deficient number, since it is larger than the sum of its proper divisors (861883).

4309385 is an equidigital number, since it uses as much as digits as its factorization.

4309385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861882.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 4309385 is about 2075.9058263804. The cubic root of 4309385 is about 162.7315515547.

The spelling of 4309385 in words is "four million, three hundred nine thousand, three hundred eighty-five".