461812 has 24 divisors (see below), whose sum is σ = 889056. Its totient is φ = 208608.

The previous prime is 461803. The next prime is 461819. The reversal of 461812 is 218164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461819) by changing a digit.

461812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 4263 + ... + 4369.

It is an arithmetic number, because the mean of its divisors is an integer number (37044).

2⁴⁶¹⁸¹² is an apocalyptic number.

It is an amenable number.

461812 is a deficient number, since it is larger than the sum of its proper divisors (427244).

461812 is a wasteful number, since it uses less digits than its factorization.

461812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 205 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 461812 is about 679.5675095235. The cubic root of 461812 is about 77.2956531325.

Adding to 461812 its reverse (218164), we get a palindrome (679976).

It can be divided in two parts, 4 and 61812, that added together give a palindrome (61816).

The spelling of 461812 in words is "four hundred sixty-one thousand, eight hundred twelve".