455864 has 8 divisors (see below), whose sum is σ = 854760. Its totient is φ = 227928.

The previous prime is 455863. The next prime is 455881. The reversal of 455864 is 468554.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 455864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455863) by changing a digit.

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 as a sum of consecutive naturals, namely, 28484 + ... + 28499.

It is an arithmetic number, because the mean of its divisors is an integer number (106845).

2⁴⁵⁵⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

455864 is a deficient number, since it is larger than the sum of its proper divisors (398896).

455864 is a wasteful number, since it uses less digits than its factorization.

455864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56989 (or 56985 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 455864 is about 675.1770138267. The cubic root of 455864 is about 76.9623698741.

The spelling of 455864 in words is "four hundred fifty-five thousand, eight hundred sixty-four".