989258 has 8 divisors (see below), whose sum is σ = 1518528. Its totient is φ = 483084.

The previous prime is 989251. The next prime is 989279. The reversal of 989258 is 852989.

It is a happy number.

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

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (989251) by changing a digit.

989258 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5666 + ... + 5837.

It is an arithmetic number, because the mean of its divisors is an integer number (189816).

2⁹⁸⁹²⁵⁸ is an apocalyptic number.

989258 is a deficient number, since it is larger than the sum of its proper divisors (529270).

989258 is a wasteful number, since it uses less digits than its factorization.

989258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11548.

The product of its digits is 51840, while the sum is 41.

The square root of 989258 is about 994.6144981851. The cubic root of 989258 is about 99.6406435093.

The spelling of 989258 in words is "nine hundred eighty-nine thousand, two hundred fifty-eight".