989894107 has 2 divisors, whose sum is σ = 989894108. Its totient is φ = 989894106.

The previous prime is 989894083. The next prime is 989894159. The reversal of 989894107 is 701498989.

989894107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 989894107 - 2¹⁹ = 989369819 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (989814107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494947053 + 494947054.

It is an arithmetic number, because the mean of its divisors is an integer number (494947054).

Almost surely, 2^989894107 is an apocalyptic number.

989894107 is a deficient number, since it is larger than the sum of its proper divisors (1).

989894107 is an equidigital number, since it uses as much as digits as its factorization.

989894107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 989894107 is about 31462.5826498716. The cubic root of 989894107 is about 996.6199571825.

The spelling of 989894107 in words is "nine hundred eighty-nine million, eight hundred ninety-four thousand, one hundred seven".