461630 has 32 divisors (see below), whose sum is σ = 925344. Its totient is φ = 164736.

The previous prime is 461627. The next prime is 461639. The reversal of 461630 is 36164.

461630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461639) 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, 6857 + ... + 6923.

It is an arithmetic number, because the mean of its divisors is an integer number (28917).

2⁴⁶¹⁶³⁰ is an apocalyptic number.

461630 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461630 is a wasteful number, since it uses less digits than its factorization.

461630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 461630 is about 679.4335876302. The cubic root of 461630 is about 77.2854977321.

Adding to 461630 its reverse (36164), we get a palindrome (497794).

The spelling of 461630 in words is "four hundred sixty-one thousand, six hundred thirty".