993706682 has 4 divisors (see below), whose sum is σ = 1490560026. Its totient is φ = 496853340.

The previous prime is 993706667. The next prime is 993706687. The reversal of 993706682 is 286607399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 286607399 = 13 ⋅22046723.

It can be written as a sum of positive squares in only one way, i.e., 966028561 + 27678121 = 31081^2 + 5261^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 993706682.

It is not an unprimeable number, because it can be changed into a prime (993706687) 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 as a sum of consecutive naturals, namely, 248426669 + ... + 248426672.

Almost surely, 2^993706682 is an apocalyptic number.

993706682 is a deficient number, since it is larger than the sum of its proper divisors (496853344).

993706682 is a wasteful number, since it uses less digits than its factorization.

993706682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496853343.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 993706682 is about 31523.1134566369. The cubic root of 993706682 is about 997.8978112324.

The spelling of 993706682 in words is "nine hundred ninety-three million, seven hundred six thousand, six hundred eighty-two".