461857 has 8 divisors (see below), whose sum is σ = 509472. Its totient is φ = 418660.

The previous prime is 461843. The next prime is 461861. The reversal of 461857 is 758164.

It is a de Polignac number, because none of the positive numbers 2^k-461857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158 + ... + 1504.

It is an arithmetic number, because the mean of its divisors is an integer number (63684).

2⁴⁶¹⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

461857 is a deficient number, since it is larger than the sum of its proper divisors (47615).

461857 is an equidigital number, since it uses as much as digits as its factorization.

461857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 358 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 461857 is about 679.6006180103. The cubic root of 461857 is about 77.2981636717.

The spelling of 461857 in words is "four hundred sixty-one thousand, eight hundred fifty-seven".