169689484 has 12 divisors (see below), whose sum is σ = 297103464. Its totient is φ = 84802784.

The previous prime is 169689451. The next prime is 169689497. The reversal of 169689484 is 484986961.

169689484 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289 + ... + 18424.

It is an arithmetic number, because the mean of its divisors is an integer number (24758622).

Almost surely, 2^169689484 is an apocalyptic number.

It is an amenable number.

169689484 is a deficient number, since it is larger than the sum of its proper divisors (127413980).

169689484 is a wasteful number, since it uses less digits than its factorization.

169689484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20984 (or 20982 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 55.

The square root of 169689484 is about 13026.4916228430. The cubic root of 169689484 is about 553.6283353008.

The spelling of 169689484 in words is "one hundred sixty-nine million, six hundred eighty-nine thousand, four hundred eighty-four".