996041791 has 4 divisors (see below), whose sum is σ = 1001799432. Its totient is φ = 990284152.

The previous prime is 996041789. The next prime is 996041803. The reversal of 996041791 is 197140699.

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 996041791 - 2¹ = 996041789 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 (996041771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2878561 + ... + 2878906.

It is an arithmetic number, because the mean of its divisors is an integer number (250449858).

Almost surely, 2^996041791 is an apocalyptic number.

996041791 is a deficient number, since it is larger than the sum of its proper divisors (5757641).

996041791 is a wasteful number, since it uses less digits than its factorization.

996041791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757640.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 996041791 is about 31560.1297684278. The cubic root of 996041791 is about 998.6788523375.

The spelling of 996041791 in words is "nine hundred ninety-six million, forty-one thousand, seven hundred ninety-one".