989004676 has 12 divisors (see below), whose sum is σ = 1888099920. Its totient is φ = 449547560.

The previous prime is 989004673. The next prime is 989004683. The reversal of 989004676 is 676400989.

It is not an unprimeable number, because it can be changed into a prime (989004671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11238646 + ... + 11238733.

It is an arithmetic number, because the mean of its divisors is an integer number (157341660).

Almost surely, 2^989004676 is an apocalyptic number.

It is an amenable number.

989004676 is a deficient number, since it is larger than the sum of its proper divisors (899095244).

989004676 is a wasteful number, since it uses less digits than its factorization.

989004676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22477394 (or 22477392 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 989004676 is about 31448.4447310197. Note that the first 3 decimals coincide. The cubic root of 989004676 is about 996.3213763212.

The spelling of 989004676 in words is "nine hundred eighty-nine million, four thousand, six hundred seventy-six".