689675 has 18 divisors (see below), whose sum is σ = 996588. Its totient is φ = 472080.

The previous prime is 689641. The next prime is 689693. The reversal of 689675 is 576986.

It is a happy number.

It is not a de Polignac number, because 689675 - 2¹⁴ = 673291 is a prime.

It is a d-powerful number, because it can be written as 6² + 8⁵ + 6⁵ + 9⁶ + 7⁶ + 5 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 944 + ... + 1506.

It is an arithmetic number, because the mean of its divisors is an integer number (55366).

2⁶⁸⁹⁶⁷⁵ is an apocalyptic number.

689675 is a deficient number, since it is larger than the sum of its proper divisors (306913).

689675 is a wasteful number, since it uses less digits than its factorization.

689675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 575 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 689675 is about 830.4667362393. The cubic root of 689675 is about 88.3516832255.

The spelling of 689675 in words is "six hundred eighty-nine thousand, six hundred seventy-five".