461620 has 12 divisors (see below), whose sum is σ = 969444. Its totient is φ = 184640.

The previous prime is 461609. The next prime is 461627. The reversal of 461620 is 26164.

It can be written as a sum of positive squares in 2 ways, for example, as 195364 + 266256 = 442^2 + 516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11521 + ... + 11560.

It is an arithmetic number, because the mean of its divisors is an integer number (80787).

2⁴⁶¹⁶²⁰ is an apocalyptic number.

It is an amenable number.

461620 is an abundant number, since it is smaller than the sum of its proper divisors (507824).

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

461620 is a wasteful number, since it uses less digits than its factorization.

461620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23090 (or 23088 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 461620 is about 679.4262285193. The cubic root of 461620 is about 77.2849396657.

Adding to 461620 its reverse (26164), we get a palindrome (487784).

It can be divided in two parts, 461 and 620, that added together give a triangular number (1081 = T₄₆).

The spelling of 461620 in words is "four hundred sixty-one thousand, six hundred twenty".