996749982 has 64 divisors (see below), whose sum is σ = 2255860800. Its totient is φ = 326177280.

The previous prime is 996749969. The next prime is 996749987. The reversal of 996749982 is 289947699.

996749982 is a `hidden beast` number, since 9 + 9 + 67 + 499 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996749987) 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 in 31 ways as a sum of consecutive naturals, for example, 753882 + ... + 755202.

It is an arithmetic number, because the mean of its divisors is an integer number (35247825).

Almost surely, 2^996749982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996749982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127930400).

996749982 is an abundant number, since it is smaller than the sum of its proper divisors (1259110818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

996749982 is a wasteful number, since it uses less digits than its factorization.

996749982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578 (or 1572 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The square root of 996749982 is about 31571.3474847052. The cubic root of 996749982 is about 998.9154849189.

The spelling of 996749982 in words is "nine hundred ninety-six million, seven hundred forty-nine thousand, nine hundred eighty-two".