989331453 has 36 divisors (see below), whose sum is σ = 1639092000. Its totient is φ = 573510960.

The previous prime is 989331451. The next prime is 989331479. The reversal of 989331453 is 354133989.

It is not a de Polignac number, because 989331453 - 2¹ = 989331451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 989331399 and 989331408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989331451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5298 + ... + 44796.

Almost surely, 2^989331453 is an apocalyptic number.

It is an amenable number.

989331453 is a deficient number, since it is larger than the sum of its proper divisors (649760547).

989331453 is a wasteful number, since it uses less digits than its factorization.

989331453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39550 (or 39536 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 989331453 is about 31453.6397416897. The cubic root of 989331453 is about 996.4310957415.

The spelling of 989331453 in words is "nine hundred eighty-nine million, three hundred thirty-one thousand, four hundred fifty-three".