689058 has 12 divisors (see below), whose sum is σ = 1492998. Its totient is φ = 229680.

The previous prime is 689041. The next prime is 689063. The reversal of 689058 is 850986.

It can be written as a sum of positive squares in only one way, i.e., 400689 + 288369 = 633^2 + 537^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19123 + ... + 19158.

2⁶⁸⁹⁰⁵⁸ is an apocalyptic number.

689058 is an abundant number, since it is smaller than the sum of its proper divisors (803940).

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

689058 is a wasteful number, since it uses less digits than its factorization.

689058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38289 (or 38286 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 689058 is about 830.0951752661. The cubic root of 689058 is about 88.3253281777.

The spelling of 689058 in words is "six hundred eighty-nine thousand, fifty-eight".