989274 has 32 divisors (see below), whose sum is σ = 2326464. Its totient is φ = 276480.

The previous prime is 989251. The next prime is 989279. The reversal of 989274 is 472989.

989274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 (989279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (72702).

2⁹⁸⁹²⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163232).

989274 is an abundant number, since it is smaller than the sum of its proper divisors (1337190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989274 is a wasteful number, since it uses less digits than its factorization.

989274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its digits is 36288, while the sum is 39.

The square root of 989274 is about 994.6225414699. The cubic root of 989274 is about 99.6411806937.

The spelling of 989274 in words is "nine hundred eighty-nine thousand, two hundred seventy-four".