989297 has 4 divisors (see below), whose sum is σ = 992496. Its totient is φ = 986100.

The previous prime is 989293. The next prime is 989309. The reversal of 989297 is 792989.

989297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 989297 - 2² = 989293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989293) 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, 1079 + ... + 1772.

It is an arithmetic number, because the mean of its divisors is an integer number (248124).

2⁹⁸⁹²⁹⁷ is an apocalyptic number.

It is an amenable number.

989297 is a deficient number, since it is larger than the sum of its proper divisors (3199).

989297 is a wasteful number, since it uses less digits than its factorization.

989297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198.

The product of its digits is 81648, while the sum is 44.

The square root of 989297 is about 994.6341035778. The cubic root of 989297 is about 99.6419528860.

The spelling of 989297 in words is "nine hundred eighty-nine thousand, two hundred ninety-seven".