8065945 has 8 divisors (see below), whose sum is σ = 9718344. Its totient is φ = 6426624.

The previous prime is 8065931. The next prime is 8065957. The reversal of 8065945 is 5495608.

It can be written as a sum of positive squares in 4 ways, for example, as 5480281 + 2585664 = 2341^2 + 1608^2 .

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 8065945 - 2¹⁵ = 8033177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1854 + ... + 4423.

It is an arithmetic number, because the mean of its divisors is an integer number (1214793).

Almost surely, 2^8065945 is an apocalyptic number.

It is an amenable number.

8065945 is a deficient number, since it is larger than the sum of its proper divisors (1652399).

8065945 is a wasteful number, since it uses less digits than its factorization.

8065945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 8065945 is about 2840.0607387871. The cubic root of 8065945 is about 200.5480385637.

The spelling of 8065945 in words is "eight million, sixty-five thousand, nine hundred forty-five".