455668 has 12 divisors (see below), whose sum is σ = 844452. Its totient is φ = 214400.

The previous prime is 455659. The next prime is 455681. The reversal of 455668 is 866554.

It can be written as a sum of positive squares in 2 ways, for example, as 272484 + 183184 = 522^2 + 428^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3283 + ... + 3418.

It is an arithmetic number, because the mean of its divisors is an integer number (70371).

2⁴⁵⁵⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

455668 is a deficient number, since it is larger than the sum of its proper divisors (388784).

455668 is a wasteful number, since it uses less digits than its factorization.

455668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722 (or 6720 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 455668 is about 675.0318511004. The cubic root of 455668 is about 76.9513382310.

It can be divided in two parts, 4556 and 68, that added together give a square (4624 = 68²).

The spelling of 455668 in words is "four hundred fifty-five thousand, six hundred sixty-eight".