989862133 has 16 divisors (see below), whose sum is σ = 1160812800. Its totient is φ = 835773120.

The previous prime is 989862131. The next prime is 989862143. The reversal of 989862133 is 331268989.

It is not a de Polignac number, because 989862133 - 2¹ = 989862131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989862131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61933 + ... + 76258.

It is an arithmetic number, because the mean of its divisors is an integer number (72550800).

Almost surely, 2^989862133 is an apocalyptic number.

It is an amenable number.

989862133 is a deficient number, since it is larger than the sum of its proper divisors (170950667).

989862133 is a wasteful number, since it uses less digits than its factorization.

989862133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138252.

The product of its digits is 559872, while the sum is 49.

The square root of 989862133 is about 31462.0745183785. The cubic root of 989862133 is about 996.6092266511.

The spelling of 989862133 in words is "nine hundred eighty-nine million, eight hundred sixty-two thousand, one hundred thirty-three".