689224 has 16 divisors (see below), whose sum is σ = 1306620. Its totient is φ = 340800.

The previous prime is 689219. The next prime is 689233. The reversal of 689224 is 422986.

It can be written as a sum of positive squares in 2 ways, for example, as 688900 + 324 = 830^2 + 18^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382 + ... + 1234.

2⁶⁸⁹²²⁴ is an apocalyptic number.

It is an amenable number.

689224 is a deficient number, since it is larger than the sum of its proper divisors (617396).

689224 is a wasteful number, since it uses less digits than its factorization.

689224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 956 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 689224 is about 830.1951577792. The cubic root of 689224 is about 88.3324203853.

The spelling of 689224 in words is "six hundred eighty-nine thousand, two hundred twenty-four".