989876106 has 32 divisors (see below), whose sum is σ = 2208314880. Its totient is φ = 328670208.

The previous prime is 989876081. The next prime is 989876113. The reversal of 989876106 is 601678989.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21786 + ... + 49541.

It is an arithmetic number, because the mean of its divisors is an integer number (69009840).

Almost surely, 2^989876106 is an apocalyptic number.

989876106 is an abundant number, since it is smaller than the sum of its proper divisors (1218438774).

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

989876106 is a wasteful number, since it uses less digits than its factorization.

989876106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71595 (or 71589 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 989876106 is about 31462.2965786034. The cubic root of 989876106 is about 996.6139160432.

The spelling of 989876106 in words is "nine hundred eighty-nine million, eight hundred seventy-six thousand, one hundred six".