993856346 has 16 divisors (see below), whose sum is σ = 1803974976. Its totient is φ = 400883136.

The previous prime is 993856307. The next prime is 993856379. The reversal of 993856346 is 643658399.

It is an unprimeable number.

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, 2087696 + ... + 2088171.

It is an arithmetic number, because the mean of its divisors is an integer number (112748436).

Almost surely, 2^993856346 is an apocalyptic number.

993856346 is a deficient number, since it is larger than the sum of its proper divisors (810118630).

993856346 is a wasteful number, since it uses less digits than its factorization.

993856346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175893.

The product of its digits is 4199040, while the sum is 53.

The square root of 993856346 is about 31525.4872444503. The cubic root of 993856346 is about 997.9479071287.

The spelling of 993856346 in words is "nine hundred ninety-three million, eight hundred fifty-six thousand, three hundred forty-six".