989870104 has 32 divisors (see below), whose sum is σ = 1882083600. Its totient is φ = 488012800.

The previous prime is 989870087. The next prime is 989870117. The reversal of 989870104 is 401078989.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283779 + ... + 287245.

Almost surely, 2^989870104 is an apocalyptic number.

It is an amenable number.

989870104 is a deficient number, since it is larger than the sum of its proper divisors (892213496).

989870104 is a wasteful number, since it uses less digits than its factorization.

989870104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963 (or 3959 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 989870104 is about 31462.2011944492. The cubic root of 989870104 is about 996.6119017545.

The spelling of 989870104 in words is "nine hundred eighty-nine million, eight hundred seventy thousand, one hundred four".