989229 has 8 divisors (see below), whose sum is σ = 1326400. Its totient is φ = 655776.

The previous prime is 989173. The next prime is 989231. The reversal of 989229 is 922989.

989229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 989229 - 2¹³ = 981037 is a prime.

It is an Ulam number.

It is a Duffinian number.

989229 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989229.

It is not an unprimeable number, because it can be changed into a prime (989239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232 + ... + 1425.

It is an arithmetic number, because the mean of its divisors is an integer number (165800).

2⁹⁸⁹²²⁹ is an apocalyptic number.

It is an amenable number.

989229 is a deficient number, since it is larger than the sum of its proper divisors (337171).

989229 is a wasteful number, since it uses less digits than its factorization.

989229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its digits is 23328, while the sum is 39.

The square root of 989229 is about 994.5999195657. The cubic root of 989229 is about 99.6396698480.

The spelling of 989229 in words is "nine hundred eighty-nine thousand, two hundred twenty-nine".