487469 has 2 divisors, whose sum is σ = 487470. Its totient is φ = 487468.

The previous prime is 487463. The next prime is 487471. The reversal of 487469 is 964784.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289444 + 198025 = 538^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 487469 - 2⁸ = 487213 is a prime.

It is a super-2 number, since 2×487469² = 475252051922, which contains 22 as substring.

Together with 487471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243734 + 243735.

It is an arithmetic number, because the mean of its divisors is an integer number (243735).

2⁴⁸⁷⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

487469 is a deficient number, since it is larger than the sum of its proper divisors (1).

487469 is an equidigital number, since it uses as much as digits as its factorization.

487469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 487469 is about 698.1898022744. The cubic root of 487469 is about 78.7013775607.

The spelling of 487469 in words is "four hundred eighty-seven thousand, four hundred sixty-nine".