455380 has 12 divisors (see below), whose sum is σ = 956340. Its totient is φ = 182144.

The previous prime is 455353. The next prime is 455381. The reversal of 455380 is 83554.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63504 + 391876 = 252^2 + 626^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455381) by changing a digit.

455380 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, 11365 + ... + 11404.

It is an arithmetic number, because the mean of its divisors is an integer number (79695).

2⁴⁵⁵³⁸⁰ is an apocalyptic number.

It is an amenable number.

455380 is an abundant number, since it is smaller than the sum of its proper divisors (500960).

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

455380 is a wasteful number, since it uses less digits than its factorization.

455380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22778 (or 22776 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 455380 is about 674.8184941153. The cubic root of 455380 is about 76.9351227290.

The spelling of 455380 in words is "four hundred fifty-five thousand, three hundred eighty".