989896383 has 90 divisors (see below), whose sum is σ = 1829415456. Its totient is φ = 531764352.

The previous prime is 989896363. The next prime is 989896387. The reversal of 989896383 is 383698989.

It is not a de Polignac number, because 989896383 - 2⁵ = 989896351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

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

It is a self number, because there is not a number n which added to its sum of digits gives 989896383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989896387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 1146610 + ... + 1147472.

Almost surely, 2^989896383 is an apocalyptic number.

989896383 is a deficient number, since it is larger than the sum of its proper divisors (839519073).

989896383 is a wasteful number, since it uses less digits than its factorization.

989896383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 890 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The square root of 989896383 is about 31462.6188197995. The cubic root of 989896383 is about 996.6207210034.

The spelling of 989896383 in words is "nine hundred eighty-nine million, eight hundred ninety-six thousand, three hundred eighty-three".