989825472 has 42 divisors (see below), whose sum is σ = 2837157648. Its totient is φ = 329941632.

The previous prime is 989825453. The next prime is 989825483. The reversal of 989825472 is 274528989.

989825472 is a `hidden beast` number, since 9 + 8 + 98 + 2 + 547 + 2 = 666.

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 in 5 ways as a sum of consecutive naturals, for example, 858648 + ... + 859799.

Almost surely, 2^989825472 is an apocalyptic number.

It is an amenable number.

989825472 is an abundant number, since it is smaller than the sum of its proper divisors (1847332176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989825472 is a wasteful number, since it uses less digits than its factorization.

989825472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718465 (or 1718452 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 989825472 is about 31461.4918908815. The cubic root of 989825472 is about 996.5969228696.

The spelling of 989825472 in words is "nine hundred eighty-nine million, eight hundred twenty-five thousand, four hundred seventy-two".