989898967 has 8 divisors (see below), whose sum is σ = 1067905296. Its totient is φ = 914090112.

The previous prime is 989898941. The next prime is 989898983. The reversal of 989898967 is 769898989.

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

It is a cyclic number.

It is not a de Polignac number, because 989898967 - 2⁷ = 989898839 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 989898967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989898997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548433 + ... + 550234.

It is an arithmetic number, because the mean of its divisors is an integer number (133488162).

Almost surely, 2^989898967 is an apocalyptic number.

989898967 is a deficient number, since it is larger than the sum of its proper divisors (78006329).

989898967 is a wasteful number, since it uses less digits than its factorization.

989898967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098737.

The product of its digits is 141087744, while the sum is 73.

The square root of 989898967 is about 31462.6598843772. The cubic root of 989898967 is about 996.6215881870.

The spelling of 989898967 in words is "nine hundred eighty-nine million, eight hundred ninety-eight thousand, nine hundred sixty-seven".