169487 has 4 divisors (see below), whose sum is σ = 176880. Its totient is φ = 162096.

The previous prime is 169483. The next prime is 169489. The reversal of 169487 is 784961.

169487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 169487 - 2² = 169483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 169487.

It is not an unprimeable number, because it can be changed into a prime (169483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3662 + ... + 3707.

It is an arithmetic number, because the mean of its divisors is an integer number (44220).

2¹⁶⁹⁴⁸⁷ is an apocalyptic number.

169487 is a deficient number, since it is larger than the sum of its proper divisors (7393).

169487 is an equidigital number, since it uses as much as digits as its factorization.

169487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392.

The product of its digits is 12096, while the sum is 35.

The square root of 169487 is about 411.6879886516. The cubic root of 169487 is about 55.3408039783.

It can be divided in two parts, 169 and 487, that added together give a palindrome (656).

The spelling of 169487 in words is "one hundred sixty-nine thousand, four hundred eighty-seven".