1996353686 has 8 divisors (see below), whose sum is σ = 3091128384. Its totient is φ = 965977560.

The previous prime is 1996353683. The next prime is 1996353727. The reversal of 1996353686 is 6863536991.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996353683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16099565 + ... + 16099688.

It is an arithmetic number, because the mean of its divisors is an integer number (386391048).

Almost surely, 2^1996353686 is an apocalyptic number.

1996353686 is a deficient number, since it is larger than the sum of its proper divisors (1094774698).

1996353686 is a wasteful number, since it uses less digits than its factorization.

1996353686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32199286.

The product of its digits is 6298560, while the sum is 56.

The square root of 1996353686 is about 44680.5739220078. The cubic root of 1996353686 is about 1259.1549061454.

The spelling of 1996353686 in words is "one billion, nine hundred ninety-six million, three hundred fifty-three thousand, six hundred eighty-six".