989894327 has 2 divisors, whose sum is σ = 989894328. Its totient is φ = 989894326.

The previous prime is 989894299. The next prime is 989894329. The reversal of 989894327 is 723498989.

989894327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 989894327 - 2¹⁴ = 989877943 is a prime.

Together with 989894329, it forms a pair of twin primes.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989894329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494947163 + 494947164.

It is an arithmetic number, because the mean of its divisors is an integer number (494947164).

Almost surely, 2^989894327 is an apocalyptic number.

989894327 is a deficient number, since it is larger than the sum of its proper divisors (1).

989894327 is an equidigital number, since it uses as much as digits as its factorization.

989894327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 59.

The square root of 989894327 is about 31462.5861460879. The cubic root of 989894327 is about 996.6200310141.

The spelling of 989894327 in words is "nine hundred eighty-nine million, eight hundred ninety-four thousand, three hundred twenty-seven".