8384345 has 4 divisors (see below), whose sum is σ = 10061220. Its totient is φ = 6707472.

The previous prime is 8384323. The next prime is 8384347. The reversal of 8384345 is 5434838.

It is a happy number.

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 6086089 + 2298256 = 2467^2 + 1516^2 .

It is a cyclic number.

It is not a de Polignac number, because 8384345 - 2¹² = 8380249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8384347) 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, 838430 + ... + 838439.

It is an arithmetic number, because the mean of its divisors is an integer number (2515305).

Almost surely, 2^8384345 is an apocalyptic number.

It is an amenable number.

8384345 is a deficient number, since it is larger than the sum of its proper divisors (1676875).

8384345 is a wasteful number, since it uses less digits than its factorization.

8384345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676874.

The product of its digits is 46080, while the sum is 35.

The square root of 8384345 is about 2895.5733456433. The cubic root of 8384345 is about 203.1529096167.

The spelling of 8384345 in words is "eight million, three hundred eighty-four thousand, three hundred forty-five".