989467289 has 4 divisors (see below), whose sum is σ = 1003403520. Its totient is φ = 975531060.

The previous prime is 989467277. The next prime is 989467307. The reversal of 989467289 is 982764989.

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 989467289 - 2¹⁶ = 989401753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989467489) 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, 6968009 + ... + 6968150.

It is an arithmetic number, because the mean of its divisors is an integer number (250850880).

Almost surely, 2^989467289 is an apocalyptic number.

It is an amenable number.

989467289 is a deficient number, since it is larger than the sum of its proper divisors (13936231).

989467289 is a wasteful number, since it uses less digits than its factorization.

989467289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13936230.

The product of its digits is 15676416, while the sum is 62.

The square root of 989467289 is about 31455.7989725265. The cubic root of 989467289 is about 996.4766972501.

The spelling of 989467289 in words is "nine hundred eighty-nine million, four hundred sixty-seven thousand, two hundred eighty-nine".