989629882 has 8 divisors (see below), whose sum is σ = 1484768916. Its totient is φ = 494706912.

The previous prime is 989629873. The next prime is 989629903. The reversal of 989629882 is 288926989.

It can be written as a sum of positive squares in 2 ways, for example, as 716686441 + 272943441 = 26771^2 + 16521^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 989629882.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42033 + ... + 61204.

Almost surely, 2^989629882 is an apocalyptic number.

989629882 is a deficient number, since it is larger than the sum of its proper divisors (495139034).

989629882 is a wasteful number, since it uses less digits than its factorization.

989629882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108032.

The product of its digits is 8957952, while the sum is 61.

The square root of 989629882 is about 31458.3833341766. The cubic root of 989629882 is about 996.5312758648.

The spelling of 989629882 in words is "nine hundred eighty-nine million, six hundred twenty-nine thousand, eight hundred eighty-two".