989584953 has 16 divisors (see below), whose sum is σ = 1540024320. Its totient is φ = 553445136.

The previous prime is 989584931. The next prime is 989584987. The reversal of 989584953 is 359485989.

It is a happy number.

It is not a de Polignac number, because 989584953 - 2²¹ = 987487801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (989584553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500323 + ... + 502296.

It is an arithmetic number, because the mean of its divisors is an integer number (96251520).

Almost surely, 2^989584953 is an apocalyptic number.

It is an amenable number.

989584953 is a deficient number, since it is larger than the sum of its proper divisors (550439367).

989584953 is a wasteful number, since it uses less digits than its factorization.

989584953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002676.

The product of its digits is 13996800, while the sum is 60.

The square root of 989584953 is about 31457.6692238951. The cubic root of 989584953 is about 996.5161948626.

The spelling of 989584953 in words is "nine hundred eighty-nine million, five hundred eighty-four thousand, nine hundred fifty-three".