996852865 has 8 divisors (see below), whose sum is σ = 1196398440. Its totient is φ = 797365632.

The previous prime is 996852859. The next prime is 996852869. The reversal of 996852865 is 568258699.

It can be written as a sum of positive squares in 4 ways, for example, as 693953649 + 302899216 = 26343^2 + 17404^2 .

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 996852865 - 2⁷ = 996852737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (996852869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45571 + ... + 63799.

It is an arithmetic number, because the mean of its divisors is an integer number (149549805).

Almost surely, 2^996852865 is an apocalyptic number.

996852865 is the 18229-th octagonal number.

It is an amenable number.

996852865 is a deficient number, since it is larger than the sum of its proper divisors (199545575).

996852865 is a wasteful number, since it uses less digits than its factorization.

996852865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29171.

The product of its digits is 9331200, while the sum is 58.

The square root of 996852865 is about 31572.9768156251. The cubic root of 996852865 is about 998.9498525764.

The spelling of 996852865 in words is "nine hundred ninety-six million, eight hundred fifty-two thousand, eight hundred sixty-five".