8016997 has 4 divisors (see below), whose sum is σ = 8024716. Its totient is φ = 8009280.

The previous prime is 8016991. The next prime is 8017001. The reversal of 8016997 is 7996108.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6964321 + 1052676 = 2639^2 + 1026^2 .

It is a cyclic number.

It is not a de Polignac number, because 8016997 - 2¹¹ = 8014949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8016991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004 + ... + 4477.

It is an arithmetic number, because the mean of its divisors is an integer number (2006179).

Almost surely, 2^8016997 is an apocalyptic number.

It is an amenable number.

8016997 is a deficient number, since it is larger than the sum of its proper divisors (7719).

8016997 is a wasteful number, since it uses less digits than its factorization.

8016997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7718.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 8016997 is about 2831.4302039782. The cubic root of 8016997 is about 200.1415414731.

The spelling of 8016997 in words is "eight million, sixteen thousand, nine hundred ninety-seven".