1996705585 has 8 divisors (see below), whose sum is σ = 2738339136. Its totient is φ = 1369169520.

The previous prime is 1996705583. The next prime is 1996705591. The reversal of 1996705585 is 5855076991.

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

It is not a de Polignac number, because 1996705585 - 2¹ = 1996705583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996705583) 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, 28524331 + ... + 28524400.

It is an arithmetic number, because the mean of its divisors is an integer number (342292392).

Almost surely, 2^1996705585 is an apocalyptic number.

It is an amenable number.

1996705585 is a deficient number, since it is larger than the sum of its proper divisors (741633551).

1996705585 is an equidigital number, since it uses as much as digits as its factorization.

1996705585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57048743.

The product of its (nonzero) digits is 3402000, while the sum is 55.

The square root of 1996705585 is about 44684.5116902938. The cubic root of 1996705585 is about 1259.2288859088.

The spelling of 1996705585 in words is "one billion, nine hundred ninety-six million, seven hundred five thousand, five hundred eighty-five".