689074 has 8 divisors (see below), whose sum is σ = 1043100. Its totient is φ = 341376.

The previous prime is 689071. The next prime is 689077. The reversal of 689074 is 470986.

It is an interprime number because it is at equal distance from previous prime (689071) and next prime (689077).

It can be written as a sum of positive squares in 2 ways, for example, as 499849 + 189225 = 707^2 + 435^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689071) 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, 1299 + ... + 1750.

2⁶⁸⁹⁰⁷⁴ is an apocalyptic number.

689074 is a deficient number, since it is larger than the sum of its proper divisors (354026).

689074 is a wasteful number, since it uses less digits than its factorization.

689074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 689074 is about 830.1048126592. The cubic root of 689074 is about 88.3260118136.

The spelling of 689074 in words is "six hundred eighty-nine thousand, seventy-four".