1996893578 has 8 divisors (see below), whose sum is σ = 3152989920. Its totient is φ = 945896940.

The previous prime is 1996893533. The next prime is 1996893601. The reversal of 1996893578 is 8753986991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26274878 + ... + 26274953.

It is an arithmetic number, because the mean of its divisors is an integer number (394123740).

Almost surely, 2^1996893578 is an apocalyptic number.

1996893578 is a deficient number, since it is larger than the sum of its proper divisors (1156096342).

1996893578 is a wasteful number, since it uses less digits than its factorization.

1996893578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52549852.

The product of its digits is 29393280, while the sum is 65.

The square root of 1996893578 is about 44686.6151996322. The cubic root of 1996893578 is about 1259.2684041347.

The spelling of 1996893578 in words is "one billion, nine hundred ninety-six million, eight hundred ninety-three thousand, five hundred seventy-eight".