803916065 has 8 divisors (see below), whose sum is σ = 974251368. Its totient is φ = 636764800.

The previous prime is 803916053. The next prime is 803916097. The reversal of 803916065 is 560619308.

It can be written as a sum of positive squares in 4 ways, for example, as 485364961 + 318551104 = 22031^2 + 17848^2 .

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

It is not a de Polignac number, because 803916065 - 2²⁸ = 535480609 is a prime.

It is a Duffinian 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, 795452 + ... + 796461.

It is an arithmetic number, because the mean of its divisors is an integer number (121781421).

Almost surely, 2^803916065 is an apocalyptic number.

It is an amenable number.

803916065 is a deficient number, since it is larger than the sum of its proper divisors (170335303).

803916065 is a wasteful number, since it uses less digits than its factorization.

803916065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592019.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 803916065 is about 28353.4136392781. The cubic root of 803916065 is about 929.8300321441.

The spelling of 803916065 in words is "eight hundred three million, nine hundred sixteen thousand, sixty-five".