996851 has 4 divisors (see below), whose sum is σ = 1002600. Its totient is φ = 991104.

The previous prime is 996847. The next prime is 996857. The reversal of 996851 is 158699.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 996851 - 2² = 996847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996857) 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, 2606 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (250650).

2⁹⁹⁶⁸⁵¹ is an apocalyptic number.

996851 is a deficient number, since it is larger than the sum of its proper divisors (5749).

996851 is a wasteful number, since it uses less digits than its factorization.

996851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748.

The product of its digits is 19440, while the sum is 38.

The square root of 996851 is about 998.4242585194. The cubic root of 996851 is about 99.8949229602.

The spelling of 996851 in words is "nine hundred ninety-six thousand, eight hundred fifty-one".