989061 has 4 divisors (see below), whose sum is σ = 1318752. Its totient is φ = 659372.

The previous prime is 989059. The next prime is 989071. The reversal of 989061 is 160989.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 989061 - 2¹ = 989059 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164841 + ... + 164846.

It is an arithmetic number, because the mean of its divisors is an integer number (329688).

2⁹⁸⁹⁰⁶¹ is an apocalyptic number.

It is an amenable number.

989061 is a deficient number, since it is larger than the sum of its proper divisors (329691).

989061 is a wasteful number, since it uses less digits than its factorization.

989061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329690.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 989061 is about 994.5154599100. The cubic root of 989061 is about 99.6340289525.

The spelling of 989061 in words is "nine hundred eighty-nine thousand, sixty-one".