986929668 has 36 divisors (see below), whose sum is σ = 2496747708. Its totient is φ = 328711680.

The previous prime is 986929667. The next prime is 986929703. The reversal of 986929668 is 866929689.

It can be written as a sum of positive squares in 2 ways, for example, as 644753664 + 342176004 = 25392^2 + 18498^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (986929667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37180 + ... + 57932.

It is an arithmetic number, because the mean of its divisors is an integer number (69354103).

Almost surely, 2^986929668 is an apocalyptic number.

It is an amenable number.

986929668 is an abundant number, since it is smaller than the sum of its proper divisors (1509818040).

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

986929668 is a wasteful number, since it uses less digits than its factorization.

986929668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22084 (or 22079 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The square root of 986929668 is about 31415.4367787558. The cubic root of 986929668 is about 995.6241021150.

The spelling of 986929668 in words is "nine hundred eighty-six million, nine hundred twenty-nine thousand, six hundred sixty-eight".