989608 has 8 divisors (see below), whose sum is σ = 1855530. Its totient is φ = 494800.

The previous prime is 989581. The next prime is 989623. The reversal of 989608 is 806989.

It is a happy number.

989608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 956484 + 33124 = 978^2 + 182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61843 + ... + 61858.

2⁹⁸⁹⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

989608 is a deficient number, since it is larger than the sum of its proper divisors (865922).

989608 is a wasteful number, since it uses less digits than its factorization.

989608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123707 (or 123703 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 989608 is about 994.7904301912. The cubic root of 989608 is about 99.6523930944.

The spelling of 989608 in words is "nine hundred eighty-nine thousand, six hundred eight".