455216 has 20 divisors (see below), whose sum is σ = 921072. Its totient is φ = 217536.

The previous prime is 455201. The next prime is 455219. The reversal of 455216 is 612554.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 455191 and 455200.

It is not an unprimeable number, because it can be changed into a prime (455219) by changing a digit.

455216 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, 251 + ... + 986.

2⁴⁵⁵²¹⁶ is an apocalyptic number.

455216 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

455216 is an abundant number, since it is smaller than the sum of its proper divisors (465856).

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

455216 is a wasteful number, since it uses less digits than its factorization.

455216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1262 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 455216 is about 674.6969690165. The cubic root of 455216 is about 76.9258858461.

The spelling of 455216 in words is "four hundred fifty-five thousand, two hundred sixteen".