989314866 has 12 divisors (see below), whose sum is σ = 2143515582. Its totient is φ = 329771616.

The previous prime is 989314861. The next prime is 989314883. The reversal of 989314866 is 668413989.

It can be written as a sum of positive squares in only one way, i.e., 562685841 + 426629025 = 23721^2 + 20655^2 .

It is not an unprimeable number, because it can be changed into a prime (989314861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27480951 + ... + 27480986.

Almost surely, 2^989314866 is an apocalyptic number.

989314866 is an abundant number, since it is smaller than the sum of its proper divisors (1154200716).

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

989314866 is a wasteful number, since it uses less digits than its factorization.

989314866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54961945 (or 54961942 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 989314866 is about 31453.3760668072. The cubic root of 989314866 is about 996.4255270332.

The spelling of 989314866 in words is "nine hundred eighty-nine million, three hundred fourteen thousand, eight hundred sixty-six".