461287 has 8 divisors (see below), whose sum is σ = 479520. Its totient is φ = 443520.

The previous prime is 461273. The next prime is 461297. The reversal of 461287 is 782164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461287 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461207) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5139 + ... + 5227.

It is an arithmetic number, because the mean of its divisors is an integer number (59940).

2⁴⁶¹²⁸⁷ is an apocalyptic number.

461287 is a deficient number, since it is larger than the sum of its proper divisors (18233).

461287 is an equidigital number, since it uses as much as digits as its factorization.

461287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233.

The product of its digits is 2688, while the sum is 28.

The square root of 461287 is about 679.1811245905. The cubic root of 461287 is about 77.2663514505.

The spelling of 461287 in words is "four hundred sixty-one thousand, two hundred eighty-seven".