8372845 has 8 divisors (see below), whose sum is σ = 10820376. Its totient is φ = 6182976.

The previous prime is 8372839. The next prime is 8372869. The reversal of 8372845 is 5482738.

It can be written as a sum of positive squares in 4 ways, for example, as 227529 + 8145316 = 477^2 + 2854^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8372845 - 2⁵ = 8372813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64342 + ... + 64471.

It is an arithmetic number, because the mean of its divisors is an integer number (1352547).

Almost surely, 2^8372845 is an apocalyptic number.

It is an amenable number.

8372845 is a deficient number, since it is larger than the sum of its proper divisors (2447531).

8372845 is a wasteful number, since it uses less digits than its factorization.

8372845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128831.

The product of its digits is 53760, while the sum is 37.

The square root of 8372845 is about 2893.5868744518. The cubic root of 8372845 is about 203.0599853467.

The spelling of 8372845 in words is "eight million, three hundred seventy-two thousand, eight hundred forty-five".