689274 has 24 divisors (see below), whose sum is σ = 1509300. Its totient is φ = 227328.

The previous prime is 689267. The next prime is 689279. The reversal of 689274 is 472986.

It can be written as a sum of positive squares in 2 ways, for example, as 680625 + 8649 = 825^2 + 93^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (689279) by changing a digit.

689274 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 11 ways as a sum of consecutive naturals, for example, 2554 + ... + 2810.

2⁶⁸⁹²⁷⁴ is an apocalyptic number.

689274 is an abundant number, since it is smaller than the sum of its proper divisors (820026).

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

689274 is a wasteful number, since it uses less digits than its factorization.

689274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 411 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 689274 is about 830.2252706344. The cubic root of 689274 is about 88.3345563693.

The spelling of 689274 in words is "six hundred eighty-nine thousand, two hundred seventy-four".