989898946 has 8 divisors (see below), whose sum is σ = 1485212220. Its totient is φ = 494828208.

The previous prime is 989898941. The next prime is 989898983. The reversal of 989898946 is 649898989.

It can be written as a sum of positive squares in 2 ways, for example, as 655923321 + 333975625 = 25611^2 + 18275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (989898941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50061 + ... + 66976.

Almost surely, 2^989898946 is an apocalyptic number.

989898946 is a deficient number, since it is larger than the sum of its proper divisors (495313274).

989898946 is a wasteful number, since it uses less digits than its factorization.

989898946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121268.

The product of its digits is 80621568, while the sum is 70.

The square root of 989898946 is about 31462.6595506483. The cubic root of 989898946 is about 996.6215811394.

The spelling of 989898946 in words is "nine hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred forty-six".