996228347421 has 8 divisors (see below), whose sum is σ = 1340718524064. Its totient is φ = 657945201200.

The previous prime is 996228347371. The next prime is 996228347441. The reversal of 996228347421 is 124743822699.

It is a happy number.

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 996228347421 - 2¹¹ = 996228345373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996228347441) 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, 1551757230 + ... + 1551757871.

It is an arithmetic number, because the mean of its divisors is an integer number (167589815508).

Almost surely, 2^996228347421 is an apocalyptic number.

It is an amenable number.

996228347421 is a deficient number, since it is larger than the sum of its proper divisors (344490176643).

996228347421 is a wasteful number, since it uses less digits than its factorization.

996228347421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103515211.

The product of its digits is 10450944, while the sum is 57.

The spelling of 996228347421 in words is "nine hundred ninety-six billion, two hundred twenty-eight million, three hundred forty-seven thousand, four hundred twenty-one".