8361845 has 8 divisors (see below), whose sum is σ = 10053720. Its totient is φ = 6676480.

The previous prime is 8361833. The next prime is 8361851. The reversal of 8361845 is 5481638.

It can be written as a sum of positive squares in 4 ways, for example, as 2256004 + 6105841 = 1502^2 + 2471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8361845 - 2⁸ = 8361589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901 + ... + 4509.

It is an arithmetic number, because the mean of its divisors is an integer number (1256715).

Almost surely, 2^8361845 is an apocalyptic number.

It is an amenable number.

8361845 is a deficient number, since it is larger than the sum of its proper divisors (1691875).

8361845 is a wasteful number, since it uses less digits than its factorization.

8361845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255.

The product of its digits is 23040, while the sum is 35.

The square root of 8361845 is about 2891.6854946553. The cubic root of 8361845 is about 202.9710216103.

The spelling of 8361845 in words is "eight million, three hundred sixty-one thousand, eight hundred forty-five".