465820 has 12 divisors (see below), whose sum is σ = 978264. Its totient is φ = 186320.

The previous prime is 465809. The next prime is 465821. The reversal of 465820 is 28564.

465820 is nontrivially palindromic in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465821) by changing a digit.

465820 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 3 ways as a sum of consecutive naturals, for example, 11626 + ... + 11665.

It is an arithmetic number, because the mean of its divisors is an integer number (81522).

2⁴⁶⁵⁸²⁰ is an apocalyptic number.

It is an amenable number.

465820 is an abundant number, since it is smaller than the sum of its proper divisors (512444).

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

465820 is a wasteful number, since it uses less digits than its factorization.

465820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23300 (or 23298 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 465820 is about 682.5100731857. The cubic root of 465820 is about 77.5186219559.

The spelling of 465820 in words is "four hundred sixty-five thousand, eight hundred twenty".