989115253 has 8 divisors (see below), whose sum is σ = 1179566208. Its totient is φ = 810951504.

The previous prime is 989115251. The next prime is 989115263. The reversal of 989115253 is 352511989.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 989115253 - 2¹ = 989115251 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 (989115251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071626 + ... + 3071947.

It is an arithmetic number, because the mean of its divisors is an integer number (147445776).

Almost surely, 2^989115253 is an apocalyptic number.

It is an amenable number.

989115253 is a deficient number, since it is larger than the sum of its proper divisors (190450955).

989115253 is a wasteful number, since it uses less digits than its factorization.

989115253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143603.

The product of its digits is 97200, while the sum is 43.

The square root of 989115253 is about 31450.2027497439. The cubic root of 989115253 is about 996.3585066220.

The spelling of 989115253 in words is "nine hundred eighty-nine million, one hundred fifteen thousand, two hundred fifty-three".