461685 has 16 divisors (see below), whose sum is σ = 844416. Its totient is φ = 211008.

The previous prime is 461677. The next prime is 461687. The reversal of 461685 is 586164.

It is not a de Polignac number, because 461685 - 2³ = 461677 is a prime.

It is a Curzon number.

461685 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461687) 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 15 ways as a sum of consecutive naturals, for example, 2094 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (52776).

2⁴⁶¹⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

461685 is a deficient number, since it is larger than the sum of its proper divisors (382731).

461685 is a wasteful number, since it uses less digits than its factorization.

461685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412.

The product of its digits is 5760, while the sum is 30.

The square root of 461685 is about 679.4740613151. The cubic root of 461685 is about 77.2885669532.

The spelling of 461685 in words is "four hundred sixty-one thousand, six hundred eighty-five".