1996923847 has 8 divisors (see below), whose sum is σ = 2072435040. Its totient is φ = 1921856160.

The previous prime is 1996923839. The next prime is 1996923881. The reversal of 1996923847 is 7483296991.

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 1996923847 - 2³ = 1996923839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1996923791 and 1996923800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996924847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101688 + ... + 119725.

It is an arithmetic number, because the mean of its divisors is an integer number (259054380).

Almost surely, 2^1996923847 is an apocalyptic number.

1996923847 is a deficient number, since it is larger than the sum of its proper divisors (75511193).

1996923847 is a wasteful number, since it uses less digits than its factorization.

1996923847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221753.

The product of its digits is 5878656, while the sum is 58.

The square root of 1996923847 is about 44686.9538791804. The cubic root of 1996923847 is about 1259.2747667843.

The spelling of 1996923847 in words is "one billion, nine hundred ninety-six million, nine hundred twenty-three thousand, eight hundred forty-seven".