989696968 has 16 divisors (see below), whose sum is σ = 1998426780. Its totient is φ = 456783168.

The previous prime is 989696957. The next prime is 989696971. The reversal of 989696968 is 869696989.

It can be written as a sum of positive squares in 2 ways, for example, as 989605764 + 91204 = 31458^2 + 302^2 .

It is a junction number, because it is equal to n+sod(n) for n = 989696897 and 989696906.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4758055 + ... + 4758262.

Almost surely, 2^989696968 is an apocalyptic number.

It is an amenable number.

989696968 is an abundant number, since it is smaller than the sum of its proper divisors (1008729812).

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

989696968 is a wasteful number, since it uses less digits than its factorization.

989696968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9516336 (or 9516332 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 70.

The square root of 989696968 is about 31459.4495819619. The cubic root of 989696968 is about 996.5537933022.

The spelling of 989696968 in words is "nine hundred eighty-nine million, six hundred ninety-six thousand, nine hundred sixty-eight".