996081698 has 4 divisors (see below), whose sum is σ = 1494122550. Its totient is φ = 498040848.

The previous prime is 996081689. The next prime is 996081743. The reversal of 996081698 is 896180699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 896180699 = 1487 ⋅602677.

It can be written as a sum of positive squares in only one way, i.e., 621155929 + 374925769 = 24923^2 + 19363^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249020423 + ... + 249020426.

Almost surely, 2^996081698 is an apocalyptic number.

996081698 is a deficient number, since it is larger than the sum of its proper divisors (498040852).

996081698 is a wasteful number, since it uses less digits than its factorization.

996081698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498040851.

The product of its (nonzero) digits is 1679616, while the sum is 56.

The square root of 996081698 is about 31560.7619996729. The cubic root of 996081698 is about 998.6921897112.

Subtracting from 996081698 its reverse (896180699), we obtain a palindrome (99900999).

The spelling of 996081698 in words is "nine hundred ninety-six million, eighty-one thousand, six hundred ninety-eight".