989486132 has 6 divisors (see below), whose sum is σ = 1731600738. Its totient is φ = 494743064.

The previous prime is 989486089. The next prime is 989486167. The reversal of 989486132 is 231684989.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 538518436 + 450967696 = 23206^2 + 21236^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 123685763 + ... + 123685770.

It is an arithmetic number, because the mean of its divisors is an integer number (288600123).

Almost surely, 2^989486132 is an apocalyptic number.

It is an amenable number.

989486132 is a deficient number, since it is larger than the sum of its proper divisors (742114606).

989486132 is a wasteful number, since it uses less digits than its factorization.

989486132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247371537 (or 247371535 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 989486132 is about 31456.0984866210. The cubic root of 989486132 is about 996.4830227047.

The spelling of 989486132 in words is "nine hundred eighty-nine million, four hundred eighty-six thousand, one hundred thirty-two".