8371345 has 4 divisors (see below), whose sum is σ = 10045620. Its totient is φ = 6697072.

The previous prime is 8371331. The next prime is 8371351. The reversal of 8371345 is 5431738.

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 1140624 + 7230721 = 1068^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 8371345 - 2⁹ = 8370833 is a prime.

8371345 is a lucky number.

It is a congruent 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, 837130 + ... + 837139.

It is an arithmetic number, because the mean of its divisors is an integer number (2511405).

Almost surely, 2^8371345 is an apocalyptic number.

It is an amenable number.

8371345 is a deficient number, since it is larger than the sum of its proper divisors (1674275).

8371345 is a wasteful number, since it uses less digits than its factorization.

8371345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674274.

The product of its digits is 10080, while the sum is 31.

The square root of 8371345 is about 2893.3276689653. The cubic root of 8371345 is about 203.0478585181.

The spelling of 8371345 in words is "eight million, three hundred seventy-one thousand, three hundred forty-five".