454820 has 12 divisors (see below), whose sum is σ = 955164. Its totient is φ = 181920.

The previous prime is 454799. The next prime is 454823. The reversal of 454820 is 28454.

It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 362404 = 304^2 + 602^2 .

It is a super-2 number, since 2×454820² = 413722464800, which contains 22 as substring.

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 nialpdrome in base 14.

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 454820.

It is not an unprimeable number, because it can be changed into a prime (454823) 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, 11351 + ... + 11390.

It is an arithmetic number, because the mean of its divisors is an integer number (79597).

2⁴⁵⁴⁸²⁰ is an apocalyptic number.

It is an amenable number.

454820 is an abundant number, since it is smaller than the sum of its proper divisors (500344).

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

454820 is a wasteful number, since it uses less digits than its factorization.

454820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22750 (or 22748 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 454820 is about 674.4034400861. The cubic root of 454820 is about 76.9035730039.

The spelling of 454820 in words is "four hundred fifty-four thousand, eight hundred twenty".