417487 has 16 divisors (see below), whose sum is σ = 520960. Its totient is φ = 326592.

The previous prime is 417479. The next prime is 417491. The reversal of 417487 is 784714.

It is not a de Polignac number, because 417487 - 2³ = 417479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (417437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5683 + ... + 5755.

It is an arithmetic number, because the mean of its divisors is an integer number (32560).

2⁴¹⁷⁴⁸⁷ is an apocalyptic number.

417487 is a deficient number, since it is larger than the sum of its proper divisors (103473).

417487 is a wasteful number, since it uses less digits than its factorization.

417487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142.

The product of its digits is 6272, while the sum is 31.

The square root of 417487 is about 646.1323393857. The cubic root of 417487 is about 74.7390635857.

The spelling of 417487 in words is "four hundred seventeen thousand, four hundred eighty-seven".