689196684 has 24 divisors (see below), whose sum is σ = 1754319168. Its totient is φ = 208847440.

The previous prime is 689196667. The next prime is 689196707. The reversal of 689196684 is 486691986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610462 + ... + 2610725.

It is an arithmetic number, because the mean of its divisors is an integer number (73096632).

Almost surely, 2^689196684 is an apocalyptic number.

It is an amenable number.

689196684 is an abundant number, since it is smaller than the sum of its proper divisors (1065122484).

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

689196684 is a wasteful number, since it uses less digits than its factorization.

689196684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221205 (or 5221203 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 57.

The square root of 689196684 is about 26252.5557612968. Note that the first 3 decimals coincide. The cubic root of 689196684 is about 883.3125341094.

The spelling of 689196684 in words is "six hundred eighty-nine million, one hundred ninety-six thousand, six hundred eighty-four".