689484 has 12 divisors (see below), whose sum is σ = 1608824. Its totient is φ = 229824.

The previous prime is 689467. The next prime is 689509. The reversal of 689484 is 484986.

It is a tau number, because it is divible by the number of its divisors (12).

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, 28717 + ... + 28740.

2⁶⁸⁹⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

689484 is an abundant number, since it is smaller than the sum of its proper divisors (919340).

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

689484 is a wasteful number, since it uses less digits than its factorization.

689484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57464 (or 57462 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 689484 is about 830.3517327013. The cubic root of 689484 is about 88.3435263741.

The spelling of 689484 in words is "six hundred eighty-nine thousand, four hundred eighty-four".