8018345 has 4 divisors (see below), whose sum is σ = 9622020. Its totient is φ = 6414672.

The previous prime is 8018333. The next prime is 8018347. The reversal of 8018345 is 5438108.

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 5851561 + 2166784 = 2419^2 + 1472^2 .

It is a cyclic number.

It is not a de Polignac number, because 8018345 - 2⁶ = 8018281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8018347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801830 + ... + 801839.

It is an arithmetic number, because the mean of its divisors is an integer number (2405505).

Almost surely, 2^8018345 is an apocalyptic number.

It is an amenable number.

8018345 is a deficient number, since it is larger than the sum of its proper divisors (1603675).

8018345 is a wasteful number, since it uses less digits than its factorization.

8018345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603674.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 8018345 is about 2831.6682362169. The cubic root of 8018345 is about 200.1527582948.

The spelling of 8018345 in words is "eight million, eighteen thousand, three hundred forty-five".