481820 has 12 divisors (see below), whose sum is σ = 1011864. Its totient is φ = 192720.

The previous prime is 481813. The next prime is 481837. The reversal of 481820 is 28184.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 481820.

It is an unprimeable number.

481820 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12026 + ... + 12065.

It is an arithmetic number, because the mean of its divisors is an integer number (84322).

2⁴⁸¹⁸²⁰ is an apocalyptic number.

It is an amenable number.

481820 is an abundant number, since it is smaller than the sum of its proper divisors (530044).

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

481820 is a wasteful number, since it uses less digits than its factorization.

481820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24100 (or 24098 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 481820 is about 694.1325521829. The cubic root of 481820 is about 78.3961871671.

The spelling of 481820 in words is "four hundred eighty-one thousand, eight hundred twenty".