487169 has 4 divisors (see below), whose sum is σ = 515844. Its totient is φ = 458496.

The previous prime is 487133. The next prime is 487177. The reversal of 487169 is 961784.

487169 = T₁₅₂ + T₁₅₃ + ... + T₁₈₅.

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

It can be written as a sum of positive squares in 2 ways, for example, as 237169 + 250000 = 487^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 487169 - 2¹⁶ = 421633 is a prime.

It is a super-2 number, since 2×487169² = 474667269122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487469) 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, 14312 + ... + 14345.

It is an arithmetic number, because the mean of its divisors is an integer number (128961).

2⁴⁸⁷¹⁶⁹ is an apocalyptic number.

It is an amenable number.

487169 is a deficient number, since it is larger than the sum of its proper divisors (28675).

487169 is a wasteful number, since it uses less digits than its factorization.

487169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28674.

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

The square root of 487169 is about 697.9749279165. The cubic root of 487169 is about 78.6852293486.

Adding to 487169 its sum of digits (35), we get a square (487204 = 698²).

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

The spelling of 487169 in words is "four hundred eighty-seven thousand, one hundred sixty-nine".