989237 has 4 divisors (see below), whose sum is σ = 1005516. Its totient is φ = 972960.

The previous prime is 989231. The next prime is 989239. The reversal of 989237 is 732989.

989237 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 an emirpimes, since its reverse is a distinct semiprime: 732989 = 17 ⋅43117.

It can be written as a sum of positive squares in 2 ways, for example, as 358801 + 630436 = 599^2 + 794^2 .

It is a cyclic number.

It is not a de Polignac number, because 989237 - 2⁶ = 989173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 989237.

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 989237.

It is not an unprimeable number, because it can be changed into a prime (989231) 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, 8048 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (251379).

2⁹⁸⁹²³⁷ is an apocalyptic number.

It is an amenable number.

989237 is a deficient number, since it is larger than the sum of its proper divisors (16279).

989237 is a wasteful number, since it uses less digits than its factorization.

989237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16278.

The product of its digits is 27216, while the sum is 38.

The square root of 989237 is about 994.6039412751. The cubic root of 989237 is about 99.6399384461.

The spelling of 989237 in words is "nine hundred eighty-nine thousand, two hundred thirty-seven".